diff -r 4f30e35f171b -r 9937108851a2 MethodFinderWindow.st
--- a/MethodFinderWindow.st	Sun Sep 08 16:29:23 2019 +0200
+++ b/MethodFinderWindow.st	Sun Sep 08 16:43:32 2019 +0200
@@ -1668,7 +1668,7 @@
                           receiverWithArgument at:1 put: tempReceiver.     
                         ]
                 ifFalse:[
-        (tempArguments size = 1)
+        (tempArguments size == 1)
                         ifTrue:[ receiverWithArgument:=Array new:2.
                                   receiverWithArgument at:1 put: tempReceiver.      
                                   receiverWithArgument at:2 put: (tempArguments at:1)