--- a/smalltalk.rc	Fri Nov 19 16:00:08 1999 +0100
+++ b/smalltalk.rc	Mon Nov 29 12:50:06 1999 +0100
@@ -360,6 +360,7 @@
 (cls := Smalltalk at:#DialogBox) notNil ifTrue:[
     Smalltalk at:#Dialog     put:cls.
     Smalltalk at:#DialogView put:cls.
+    Smalltalk at:#FillInTheBlank put:cls.
 ].
 Smalltalk at:#ByteString put:String.
 Smalltalk at:#ByteSymbol put:Symbol.