--- a/Context.st	Sat Feb 01 02:45:46 2020 +0100
+++ b/Context.st	Sat Feb 01 12:46:16 2020 +0100
@@ -3099,7 +3099,7 @@
             c method == self method ifTrue:[
                 sameArgs := true.
                 1 to:self argumentCount do:[:i |
-                    (c argAt:1) ~~ (self argAt:i) ifTrue:[
+                    (c argAt:1) ~= (self argAt:i) ifTrue:[
                         sameArgs := false
                     ]
                 ].