diff --git a/js/rhino/src/org/mozilla/javascript/Interpreter.java b/js/rhino/src/org/mozilla/javascript/Interpreter.java
index 5a31667c380..1f35b54c785 100644
--- a/js/rhino/src/org/mozilla/javascript/Interpreter.java
+++ b/js/rhino/src/org/mozilla/javascript/Interpreter.java
@@ -1542,22 +1542,8 @@ public class Interpreter {
              }
         }
         ScriptRuntime.initFunction(scope, fn);
-        String fnName = idata.itsName;
-        if (fnName.length() != 0) {
-            int type = idata.itsFunctionType;
-            if (type == FunctionNode.FUNCTION_STATEMENT) {
-                if (fromEvalCode) {
-                    scope.put(fnName, scope, fn);
-                } else {
-                    // ECMA specifies that functions defined in global and
-                    // function scope should have DONTDELETE set.
-                    ScriptableObject.defineProperty(scope,
-                            fnName, fn, ScriptableObject.PERMANENT);
-                }
-            } else if (type == FunctionNode.FUNCTION_EXPRESSION_STATEMENT) {
-                scope.put(fnName, scope, fn);
-            }
-        }
+        ScriptRuntime.putFunction(scope, idata.itsName, fn,
+                                  idata.itsFunctionType, fromEvalCode);
         return fn;
     }
 
diff --git a/js/rhino/src/org/mozilla/javascript/ScriptRuntime.java b/js/rhino/src/org/mozilla/javascript/ScriptRuntime.java
index ae0120a1d50..e5544d9137d 100644
--- a/js/rhino/src/org/mozilla/javascript/ScriptRuntime.java
+++ b/js/rhino/src/org/mozilla/javascript/ScriptRuntime.java
@@ -1939,6 +1939,27 @@ public class ScriptRuntime {
         fn.setParentScope(scope);
     }
 
+    public static void putFunction(Scriptable scope, String name,
+                                   Function function, int type,
+                                   boolean fromEvalCode)
+    {
+        if (type == FunctionNode.FUNCTION_STATEMENT
+            || type == FunctionNode.FUNCTION_EXPRESSION_STATEMENT)
+        {
+            if (name != null && name.length() != 0) {
+                if (type == FunctionNode.FUNCTION_STATEMENT && !fromEvalCode) {
+                    // ECMA specifies that functions defined in global and
+                    // function scope outside eval should have DONTDELETE set.
+                    ScriptableObject.defineProperty
+                        (scope, name, function, ScriptableObject.PERMANENT);
+                } else {
+                    scope.put(name, scope, function);
+                }
+            }
+        }
+    }
+
+
     static void checkDeprecated(Context cx, String name) {
         int version = cx.getLanguageVersion();
         if (version >= Context.VERSION_1_4 || version == Context.VERSION_DEFAULT) {