diff --git a/repository/TiddlyWiki/TiddlyWiki.class.st b/repository/TiddlyWiki/TiddlyWiki.class.st
index 99c3624..0426600 100644
--- a/repository/TiddlyWiki/TiddlyWiki.class.st
+++ b/repository/TiddlyWiki/TiddlyWiki.class.st
@@ -112,7 +112,7 @@ TiddlyWiki >> detectRepositoryLocal [
 	| folder folderItems |
 	folder := self file parent.
 	folderItems := folder children.
-	[(folderItems select: [ :path | path basename beginsWith: '.fossil' ]) isEmpty 
+	[(folderItems select: [ :path | path basename beginsWith: '.fslckout' ]) isEmpty 
 		and:[ (folder = FileLocator root) not ]]
 			whileTrue: [folder := folder parent.
 				folderItems := folder children.].