diff --git a/src/libCom/cxxTemplates/resourceLib.h b/src/libCom/cxxTemplates/resourceLib.h
index 37c7263bf..ecf908551 100644
--- a/src/libCom/cxxTemplates/resourceLib.h
+++ b/src/libCom/cxxTemplates/resourceLib.h
@@ -405,7 +405,7 @@ void resTable<T,ID>::show ( unsigned level ) const
         }
     }
 
-    if ( level >=1u ) {
+    if ( level >=1u && N ) {
         double X = 0.0;
         double XX = 0.0;
         unsigned maxEntries = 0u;