diff --git a/src/Calypso-Browser/ClyTextLineNumbersSwitchMorph.class.st b/src/Calypso-Browser/ClyTextLineNumbersSwitchMorph.class.st
index c4f78339f0a..8c951307f06 100644
--- a/src/Calypso-Browser/ClyTextLineNumbersSwitchMorph.class.st
+++ b/src/Calypso-Browser/ClyTextLineNumbersSwitchMorph.class.st
@@ -58,7 +58,7 @@ ClyTextLineNumbersSwitchMorph >> attachToTextMorph [
 	self updateLabel.
 	self addMorph: label.
 	self class showLineNumbers
-		ifTrue: [ self toggle ]
+		ifTrue: [ textMorph withLineNumbers ]
 ]
 
 { #category : #operations }