Index: maven-project/src/main/java/org/apache/maven/project/ModelUtils.java
===================================================================
--- maven-project/src/main/java/org/apache/maven/project/ModelUtils.java	(Revision 369304)
+++ maven-project/src/main/java/org/apache/maven/project/ModelUtils.java	(Arbeitskopie)
@@ -68,6 +68,8 @@
         List mergedPlugins = new ArrayList();
 
         List parentPlugins = parentContainer.getPlugins();
+        
+        List childPluginsList =childContainer.getPlugins();
 
         if ( parentPlugins != null && !parentPlugins.isEmpty() )
         {
@@ -105,7 +107,7 @@
                 }
             }
 
-            for ( Iterator it = childPlugins.values().iterator(); it.hasNext(); )
+            for ( Iterator it = childPluginsList.iterator(); it.hasNext(); )
             {
                 Plugin childPlugin = (Plugin) it.next();