diff --git a/rse/plugins/org.eclipse.rse.ui/UI/org/eclipse/rse/internal/ui/view/SystemViewFilterReferenceAdapter.java b/rse/plugins/org.eclipse.rse.ui/UI/org/eclipse/rse/internal/ui/view/SystemViewFilterReferenceAdapter.java
index 066c0327a31..1ed1699116f 100644
--- a/rse/plugins/org.eclipse.rse.ui/UI/org/eclipse/rse/internal/ui/view/SystemViewFilterReferenceAdapter.java
+++ b/rse/plugins/org.eclipse.rse.ui/UI/org/eclipse/rse/internal/ui/view/SystemViewFilterReferenceAdapter.java
@@ -903,7 +903,7 @@ public class SystemViewFilterReferenceAdapter
 	    if (fRef != null)
 	    {
 	        ISubSystemConfiguration factory = getSubSystemConfiguration(fRef.getReferencedFilter());
-	        if (factory.supportsDropInFilters())
+	        if (factory.supportsDropInFilters() && !fRef.getReferencedFilter().isNonChangable())
 	        {
 	        	// if the drop is handled by the subsystem rather than this adapter, this will be true.
 		        if (factory.providesCustomDropInFilters())