diff --git a/src/helma/scripting/rhino/GlobalObject.java b/src/helma/scripting/rhino/GlobalObject.java
index 30eb1d87..004c11f7 100644
--- a/src/helma/scripting/rhino/GlobalObject.java
+++ b/src/helma/scripting/rhino/GlobalObject.java
@@ -95,6 +95,10 @@ public class GlobalObject extends ImporterTopLevel {
         RhinoEngine engine = (RhinoEngine) cx.getThreadLocal("engine");
         Skin skin;
 
+        if (skinobj instanceof Wrapper) {
+            skinobj = ((Wrapper) skinobj).unwrap();
+        }
+
         if (skinobj instanceof Skin) {
             skin = (Skin) skinobj;
         } else {
@@ -124,6 +128,10 @@ public class GlobalObject extends ImporterTopLevel {
         RhinoEngine engine = (RhinoEngine) cx.getThreadLocal("engine");
         Skin skin;
 
+        if (skinobj instanceof Wrapper) {
+            skinobj = ((Wrapper) skinobj).unwrap();
+        }
+
         if (skinobj instanceof Skin) {
             skin = (Skin) skinobj;
         } else {
diff --git a/src/helma/scripting/rhino/HopObject.java b/src/helma/scripting/rhino/HopObject.java
index eccf37e6..9d99ffde 100644
--- a/src/helma/scripting/rhino/HopObject.java
+++ b/src/helma/scripting/rhino/HopObject.java
@@ -252,6 +252,10 @@ public class HopObject extends ScriptableObject implements Wrapper {
         RhinoEngine engine = (RhinoEngine) cx.getThreadLocal("engine");
         Skin skin;
 
+        if (skinobj instanceof Wrapper) {
+            skinobj = ((Wrapper) skinobj).unwrap();
+        }
+
         if (skinobj instanceof Skin) {
             skin = (Skin) skinobj;
         } else {
@@ -281,6 +285,10 @@ public class HopObject extends ScriptableObject implements Wrapper {
         RhinoEngine engine = (RhinoEngine) cx.getThreadLocal("engine");
         Skin skin;
 
+        if (skinobj instanceof Wrapper) {
+            skinobj = ((Wrapper) skinobj).unwrap();
+        }
+
         if (skinobj instanceof Skin) {
             skin = (Skin) skinobj;
         } else {
diff --git a/src/helma/scripting/rhino/JavaObject.java b/src/helma/scripting/rhino/JavaObject.java
index 687713a2..a8df2ef2 100644
--- a/src/helma/scripting/rhino/JavaObject.java
+++ b/src/helma/scripting/rhino/JavaObject.java
@@ -74,6 +74,10 @@ public class JavaObject extends NativeJavaObject {
         RhinoEngine engine = (RhinoEngine) cx.getThreadLocal("engine");
         Skin skin;
 
+        if (skinobj instanceof Wrapper) {
+            skinobj = ((Wrapper) skinobj).unwrap();
+        }
+
         if (skinobj instanceof Skin) {
             skin = (Skin) skinobj;
         } else {
@@ -103,6 +107,10 @@ public class JavaObject extends NativeJavaObject {
         RhinoEngine engine = (RhinoEngine) cx.getThreadLocal("engine");
         Skin skin;
 
+        if (skinobj instanceof Wrapper) {
+            skinobj = ((Wrapper) skinobj).unwrap();
+        }
+
         if (skinobj instanceof Skin) {
             skin = (Skin) skinobj;
         } else {