--- a/InspectorView.st	Mon May 16 09:49:38 2016 +0200
+++ b/InspectorView.st	Mon May 16 09:50:19 2016 +0200
@@ -2692,7 +2692,7 @@
 setSortOrderTo:aSymbol
     "aSymbol must be one of #alphabetical or #instvarOrder"
     
-    self assert:((aSymbol == SortOrderAlphabetical) | (aSymbol == SortOrderInstvarOrder)).
+    self assert:((aSymbol == SortOrderAlphabetical) or:[ aSymbol == SortOrderInstvarOrder ]).
     sortOrderHolder value:aSymbol.
 !