diff --git a/PetitParser2/PP2WaterNode.class.st b/PetitParser2/PP2WaterNode.class.st
index 529a1e75..858cc00f 100644
--- a/PetitParser2/PP2WaterNode.class.st
+++ b/PetitParser2/PP2WaterNode.class.st
@@ -99,7 +99,7 @@ PP2WaterNode >> resetStrategy [
 PP2WaterNode >> toCollection: object [
 	object isCollection ifTrue: [ ^ object ].
 	
-	^ OrderedColllection with: object 
+	^ OrderedCollection with: object 
 ]
 
 { #category : #accessing }