diff --git a/src/helma/scripting/rhino/RhinoCore.java b/src/helma/scripting/rhino/RhinoCore.java
index fc280c14..f4fda31d 100644
--- a/src/helma/scripting/rhino/RhinoCore.java
+++ b/src/helma/scripting/rhino/RhinoCore.java
@@ -71,6 +71,7 @@ public final class RhinoCore {
 
         context.setCompileFunctionsWithDynamicScope(true);
         wrapper = new WrapMaker();
+        wrapper.setJavaPrimitiveWrap(false);
         context.setWrapFactory(wrapper);
 
         int optLevel = 0;
@@ -760,10 +761,6 @@ public final class RhinoCore {
                 return getElementWrapper(obj);
             }
 
-            if (obj instanceof String) {
-                return obj;
-            }
-
             return super.wrap(cx, scope, obj, staticType);
         }