diff -r e51451a38ba0 -r 271887d2ed74 MethodFinderWindow.st
--- a/MethodFinderWindow.st	Tue Oct 01 10:18:59 2019 +0200
+++ b/MethodFinderWindow.st	Tue Oct 01 10:53:24 2019 +0200
@@ -1030,7 +1030,9 @@
 clear
     "Reset the contents of all the outputs."
 
-    receiverEditor contents:nil.
+    receiverEditor notNil ifTrue:[
+        receiverEditor contents:nil.
+    ].
     argument1Editor contents:nil.
     argument2Editor contents:nil.
     argument3Editor contents:nil.