diff --git a/core/org.eclipse.cdt.ui/plugin.xml b/core/org.eclipse.cdt.ui/plugin.xml
index ab81913c25c..1a54bd28c2c 100644
--- a/core/org.eclipse.cdt.ui/plugin.xml
+++ b/core/org.eclipse.cdt.ui/plugin.xml
@@ -2309,8 +2309,7 @@
          </filter>            
          <enabledWhen>
             <or>
-		     <instanceof value="org.eclipse.core.resources.IProject"/>
-		     <instanceof value="org.eclipse.cdt.core.model.ICProject"/>
+		     <adapt type="org.eclipse.core.resources.IProject"/>
 		     
 		     <instanceof value="org.eclipse.core.resources.IFolder"/>
 		     <instanceof value="org.eclipse.cdt.core.model.ICContainer"/>