--- a/UIGalleryView.st	Thu Jul 03 11:41:09 1997 +0200
+++ b/UIGalleryView.st	Thu Jul 03 12:42:26 1997 +0200
@@ -329,6 +329,11 @@
 
     aSpecOrSpecArray notNil ifTrue:[
         specification := UISpecification from:aSpecOrSpecArray.
+
+        (specification respondsTo:#buildViewFor:in:) ifFalse:[
+            specification := nil.
+          ^ self
+        ].
         builder := uiBuilder ? UIBuilder new.
         specification buildViewFor:builder in:self.