diff --git a/dev/core/src/com/google/gwt/dev/jjs/ast/JMethodCall.java b/dev/core/src/com/google/gwt/dev/jjs/ast/JMethodCall.java
index cb878f6..a16e3aa 100644
--- a/dev/core/src/com/google/gwt/dev/jjs/ast/JMethodCall.java
+++ b/dev/core/src/com/google/gwt/dev/jjs/ast/JMethodCall.java
@@ -31,6 +31,7 @@
   public JMethodCall(JProgram program, JSourceInfo info, JExpression instance,
       JMethod method) {
     super(program, info);
+    assert (instance != null || method.isStatic());
     this.instance = instance;
     this.method = method;
     this.staticDispatchOnly = false;
diff --git a/dev/core/src/com/google/gwt/dev/jjs/ast/js/JsniFieldRef.java b/dev/core/src/com/google/gwt/dev/jjs/ast/js/JsniFieldRef.java
index 32764df..9ead288 100644
--- a/dev/core/src/com/google/gwt/dev/jjs/ast/js/JsniFieldRef.java
+++ b/dev/core/src/com/google/gwt/dev/jjs/ast/js/JsniFieldRef.java
@@ -28,9 +28,10 @@
  */
 public class JsniFieldRef extends JFieldRef {
 
-  public JsniFieldRef(JProgram program, JSourceInfo info,
-      JField field, JReferenceType enclosingType) {
-    super(program, info, null, field, enclosingType);
+  public JsniFieldRef(JProgram program, JSourceInfo info, JField field,
+      JReferenceType enclosingType) {
+    super(program, info, field.isStatic() ? null : program.getLiteralNull(),
+        field, enclosingType);
   }
 
   public void traverse(JVisitor visitor, Context ctx) {
diff --git a/dev/core/src/com/google/gwt/dev/jjs/ast/js/JsniMethodRef.java b/dev/core/src/com/google/gwt/dev/jjs/ast/js/JsniMethodRef.java
index b5c20b8..c11c701 100644
--- a/dev/core/src/com/google/gwt/dev/jjs/ast/js/JsniMethodRef.java
+++ b/dev/core/src/com/google/gwt/dev/jjs/ast/js/JsniMethodRef.java
@@ -28,7 +28,9 @@
 public class JsniMethodRef extends JMethodCall {
 
   public JsniMethodRef(JProgram program, JSourceInfo info, JMethod method) {
-    super(program, info, null, method);
+    // Just use a null literal as the qualifier on a non-static method
+    super(program, info, method.isStatic() ? null : program.getLiteralNull(),
+        method);
   }
 
   public void traverse(JVisitor visitor, Context ctx) {