diff --git a/user/src/com/google/gwt/uibinder/elementparsers/BeanParser.java b/user/src/com/google/gwt/uibinder/elementparsers/BeanParser.java
index e2ba793..5e1e6a0 100644
--- a/user/src/com/google/gwt/uibinder/elementparsers/BeanParser.java
+++ b/user/src/com/google/gwt/uibinder/elementparsers/BeanParser.java
@@ -192,7 +192,7 @@
         }
         writer.setFieldInitializer(fieldName, initializer);
       } else { // Annotated Constructor
-        writer.setFieldInitializerAsConstructor(fieldName, type, args);
+        writer.setFieldInitializerAsConstructor(fieldName, args);
       }
     }
 
diff --git a/user/src/com/google/gwt/uibinder/elementparsers/DateLabelParser.java b/user/src/com/google/gwt/uibinder/elementparsers/DateLabelParser.java
index cb0b04a..9959d78 100644
--- a/user/src/com/google/gwt/uibinder/elementparsers/DateLabelParser.java
+++ b/user/src/com/google/gwt/uibinder/elementparsers/DateLabelParser.java
@@ -48,7 +48,7 @@
         String timeZone = (supportsTimeZone ? consumeTimeZone(elem, writer)
             : null);
 
-        writer.setFieldInitializerAsConstructor(fieldName, type, makeArgs(
+        writer.setFieldInitializerAsConstructor(fieldName, makeArgs(
             format, timeZone));
       } else if (supportsTimeZone && hasTimeZone(elem)) {
         writer.die(elem, NO_TIMEZONE_WITHOUT_SPECIFIED_FORMAT);
diff --git a/user/src/com/google/gwt/uibinder/elementparsers/DialogBoxParser.java b/user/src/com/google/gwt/uibinder/elementparsers/DialogBoxParser.java
index 211aa80..e4367d4 100644
--- a/user/src/com/google/gwt/uibinder/elementparsers/DialogBoxParser.java
+++ b/user/src/com/google/gwt/uibinder/elementparsers/DialogBoxParser.java
@@ -133,12 +133,9 @@
         String fieldElement = writer.parseElementToField(customCaption);
 
         writer.setFieldInitializerAsConstructor(fieldName,
-            writer.getOracle().findType(DialogBox.class.getCanonicalName()),
             autoHide, modal, fieldElement);
       } else {
-        writer.setFieldInitializerAsConstructor(fieldName,
-          writer.getOracle().findType(DialogBox.class.getCanonicalName()),
-          autoHide, modal);
+        writer.setFieldInitializerAsConstructor(fieldName, autoHide, modal);
       }
     }
   }
diff --git a/user/src/com/google/gwt/uibinder/elementparsers/DockLayoutPanelParser.java b/user/src/com/google/gwt/uibinder/elementparsers/DockLayoutPanelParser.java
index 156828a..7b98f84 100644
--- a/user/src/com/google/gwt/uibinder/elementparsers/DockLayoutPanelParser.java
+++ b/user/src/com/google/gwt/uibinder/elementparsers/DockLayoutPanelParser.java
@@ -22,14 +22,13 @@
 import com.google.gwt.dom.client.Style.Unit;
 import com.google.gwt.uibinder.rebind.UiBinderWriter;
 import com.google.gwt.uibinder.rebind.XMLElement;
-import com.google.gwt.user.client.ui.DockLayoutPanel;
 import com.google.gwt.user.client.ui.SplitLayoutPanel;
 
 import java.util.HashMap;
 import java.util.Map;
 
 /**
- * Parses {@link DockLayoutPanel} widgets.
+ * Parses {@link com.google.gwt.user.client.ui.DockLayoutPanel} widgets.
  * 
  * TODO(jgw): The code that explicitly excludes SplitLayoutPanel in a fairly
  * awkward way could be greatly simplified if we hoisted the "dock-ness" into an
@@ -71,8 +70,7 @@
       String unit = elem.consumeAttributeWithDefault("unit",
           String.format("%s.%s", unitEnumType.getQualifiedSourceName(), "PX"),
           unitEnumType);
-      writer.setFieldInitializerAsConstructor(fieldName,
-          writer.getOracle().findType(DockLayoutPanel.class.getName()), unit);
+      writer.setFieldInitializerAsConstructor(fieldName, unit);
     }
 
     CenterChild center = null;
diff --git a/user/src/com/google/gwt/uibinder/elementparsers/HTMLPanelParser.java b/user/src/com/google/gwt/uibinder/elementparsers/HTMLPanelParser.java
index 7ab49b0..f5e8754 100644
--- a/user/src/com/google/gwt/uibinder/elementparsers/HTMLPanelParser.java
+++ b/user/src/com/google/gwt/uibinder/elementparsers/HTMLPanelParser.java
@@ -67,10 +67,10 @@
     String customTag = elem.consumeStringAttribute("tag", null);
 
     if (null == customTag) {
-      writer.setFieldInitializerAsConstructor(fieldName, type,
+      writer.setFieldInitializerAsConstructor(fieldName,
           writer.declareTemplateCall(html, fieldName));
     } else {
-      writer.setFieldInitializerAsConstructor(fieldName, type, customTag,
+      writer.setFieldInitializerAsConstructor(fieldName, customTag,
           writer.declareTemplateCall(html, fieldName));
     }
   }
diff --git a/user/src/com/google/gwt/uibinder/elementparsers/ImageParser.java b/user/src/com/google/gwt/uibinder/elementparsers/ImageParser.java
index 55d27fc..9698da9 100644
--- a/user/src/com/google/gwt/uibinder/elementparsers/ImageParser.java
+++ b/user/src/com/google/gwt/uibinder/elementparsers/ImageParser.java
@@ -35,7 +35,7 @@
     if (hasImageResourceConstructor(writer.getOracle(), type)) {
       String resource = elem.consumeImageResourceAttribute("resource");
       if (null != resource) {
-        writer.setFieldInitializerAsConstructor(fieldName, type, resource);
+        writer.setFieldInitializerAsConstructor(fieldName, resource);
       }
     }
   }
diff --git a/user/src/com/google/gwt/uibinder/elementparsers/MenuBarParser.java b/user/src/com/google/gwt/uibinder/elementparsers/MenuBarParser.java
index d4c3167..b63c9f7 100644
--- a/user/src/com/google/gwt/uibinder/elementparsers/MenuBarParser.java
+++ b/user/src/com/google/gwt/uibinder/elementparsers/MenuBarParser.java
@@ -36,8 +36,7 @@
     if (MenuBar.class.getName().equals(type.getQualifiedSourceName())) {
       if (elem.hasAttribute("vertical")) {
         String vertical = elem.consumeBooleanAttribute("vertical");
-        writer.setFieldInitializerAsConstructor(fieldName,
-            writer.getOracle().findType(MenuBar.class.getName()), vertical);
+        writer.setFieldInitializerAsConstructor(fieldName, vertical);
       }
     }
 
diff --git a/user/src/com/google/gwt/uibinder/elementparsers/MenuItemParser.java b/user/src/com/google/gwt/uibinder/elementparsers/MenuItemParser.java
index 82385ca..71bb725 100644
--- a/user/src/com/google/gwt/uibinder/elementparsers/MenuItemParser.java
+++ b/user/src/com/google/gwt/uibinder/elementparsers/MenuItemParser.java
@@ -34,8 +34,7 @@
     // Use special initializer for standard MenuItem,
     // custom subclass should have default constructor.
     if (MenuItem.class.getName().equals(type.getQualifiedSourceName())) {
-      writer.setFieldInitializerAsConstructor(fieldName,
-          writer.getOracle().findType(MenuItem.class.getName()), "\"\"",
+      writer.setFieldInitializerAsConstructor(fieldName, "\"\"",
           "(com.google.gwt.user.client.Command) null");
     }
 
diff --git a/user/src/com/google/gwt/uibinder/elementparsers/NumberLabelParser.java b/user/src/com/google/gwt/uibinder/elementparsers/NumberLabelParser.java
index 01b4002..6b02d86 100644
--- a/user/src/com/google/gwt/uibinder/elementparsers/NumberLabelParser.java
+++ b/user/src/com/google/gwt/uibinder/elementparsers/NumberLabelParser.java
@@ -58,7 +58,7 @@
       String format = consumeFormat(elem, writer);
 
       if (format != null) {
-        writer.setFieldInitializerAsConstructor(fieldName, type, format);
+        writer.setFieldInitializerAsConstructor(fieldName, format);
       }
     }
   }
diff --git a/user/src/com/google/gwt/uibinder/elementparsers/RenderablePanelParser.java b/user/src/com/google/gwt/uibinder/elementparsers/RenderablePanelParser.java
index 7292162..47c8bfc 100644
--- a/user/src/com/google/gwt/uibinder/elementparsers/RenderablePanelParser.java
+++ b/user/src/com/google/gwt/uibinder/elementparsers/RenderablePanelParser.java
@@ -85,7 +85,7 @@
           "RenderablePanel does not support custom root elements yet.");
     }
 
-    writer.setFieldInitializerAsConstructor(fieldName, type, writer.declareTemplateCall(html,
+    writer.setFieldInitializerAsConstructor(fieldName, writer.declareTemplateCall(html,
         fieldName));
   }
 
diff --git a/user/src/com/google/gwt/uibinder/elementparsers/StackLayoutPanelParser.java b/user/src/com/google/gwt/uibinder/elementparsers/StackLayoutPanelParser.java
index 00f3ffb..0726b4f 100644
--- a/user/src/com/google/gwt/uibinder/elementparsers/StackLayoutPanelParser.java
+++ b/user/src/com/google/gwt/uibinder/elementparsers/StackLayoutPanelParser.java
@@ -21,10 +21,9 @@
 import com.google.gwt.dom.client.Style.Unit;
 import com.google.gwt.uibinder.rebind.UiBinderWriter;
 import com.google.gwt.uibinder.rebind.XMLElement;
-import com.google.gwt.user.client.ui.StackLayoutPanel;
 
 /**
- * Parses {@link StackLayoutPanel} widgets.
+ * Parses {@link com.google.gwt.user.client.ui.StackLayoutPanel} widgets.
  */
 public class StackLayoutPanelParser implements ElementParser {
   private static class Children {
@@ -46,8 +45,7 @@
         String.format("%s.%s", unitEnumType.getQualifiedSourceName(), "PX"),
         unitEnumType);
 
-    writer.setFieldInitializerAsConstructor(fieldName,
-        writer.getOracle().findType(StackLayoutPanel.class.getName()), unit);
+    writer.setFieldInitializerAsConstructor(fieldName, unit);
 
     // Parse children.
     for (XMLElement stackElem : panelElem.consumeChildElements()) {
diff --git a/user/src/com/google/gwt/uibinder/elementparsers/TabLayoutPanelParser.java b/user/src/com/google/gwt/uibinder/elementparsers/TabLayoutPanelParser.java
index 0eceec0..b77534f 100644
--- a/user/src/com/google/gwt/uibinder/elementparsers/TabLayoutPanelParser.java
+++ b/user/src/com/google/gwt/uibinder/elementparsers/TabLayoutPanelParser.java
@@ -21,10 +21,9 @@
 import com.google.gwt.dom.client.Style.Unit;
 import com.google.gwt.uibinder.rebind.UiBinderWriter;
 import com.google.gwt.uibinder.rebind.XMLElement;
-import com.google.gwt.user.client.ui.TabLayoutPanel;
 
 /**
- * Parses {@link TabLayoutPanel} widgets.
+ * Parses {@link com.google.gwt.user.client.ui.TabLayoutPanel} widgets.
  */
 public class TabLayoutPanelParser implements ElementParser {
 
@@ -50,8 +49,7 @@
         String.format("%s.%s", unitEnumType.getQualifiedSourceName(), "PX"),
         unitEnumType);
 
-    writer.setFieldInitializerAsConstructor(fieldName,
-        writer.getOracle().findType(TabLayoutPanel.class.getName()), size, unit);
+    writer.setFieldInitializerAsConstructor(fieldName, size, unit);
 
     // Parse children.
     for (XMLElement tabElem : panelElem.consumeChildElements()) {
diff --git a/user/src/com/google/gwt/uibinder/rebind/UiBinderWriter.java b/user/src/com/google/gwt/uibinder/rebind/UiBinderWriter.java
index c9e873c..0a9e0dc 100644
--- a/user/src/com/google/gwt/uibinder/rebind/UiBinderWriter.java
+++ b/user/src/com/google/gwt/uibinder/rebind/UiBinderWriter.java
@@ -982,8 +982,9 @@
    * @param type the type of the field
    * @param args arguments to the constructor call
    */
-  public void setFieldInitializerAsConstructor(String fieldName, JClassType type, String... args) {
-    setFieldInitializer(fieldName, formatCode("new %s(%s)", type.getQualifiedSourceName(),
+  public void setFieldInitializerAsConstructor(String fieldName, String... args) {
+    JClassType assignableType = fieldManager.lookup(fieldName).getAssignableType();
+    setFieldInitializer(fieldName, formatCode("new %s(%s)", assignableType.getQualifiedSourceName(),
         asCommaSeparatedList(args)));
   }