diff --git a/user/super/com/google/gwt/emul/java/util/BitSet.java b/user/super/com/google/gwt/emul/java/util/BitSet.java
index 417850d..56d0e77 100644
--- a/user/super/com/google/gwt/emul/java/util/BitSet.java
+++ b/user/super/com/google/gwt/emul/java/util/BitSet.java
@@ -16,7 +16,6 @@
 
 package java.util;
 
-import static javaemul.internal.Coercions.ensureInt;
 import static javaemul.internal.InternalPreconditions.checkArraySize;
 
 import javaemul.internal.ArrayHelper;
@@ -222,7 +221,7 @@
   }
 
   private static int wordAt(int[] array, int index) {
-    return ensureInt(array[index]);
+    return array[index] | 0; // ensure int even if we go out of bounds.
   }
 
   // GWT emulates integer with double and doesn't overflow. Enfore it by a integer mask.