diff --git a/lib/Properties.hs b/lib/Properties.hs
index 7425a08aed2424b1c53d03c52bf438daea30b7b0..edffe8d9b15770230930ce11a93bf68a8937859f 100644
--- a/lib/Properties.hs
+++ b/lib/Properties.hs
@@ -345,7 +345,7 @@ checkTileLayerProperty p@(Property name _value) = case name of
         suggestProperty $ Property "jitsiTrigger" "onaction"
 
         -- prepend jitsi room names to avoid name clashes
-        unless ("shared-" `isPrefixOf` jitsiRoom) $ do
+        unless ("shared" `isPrefixOf` jitsiRoom) $ do
           assemblyname <- lintConfig configAssemblyTag
           setProperty "jitsiRoom" (assemblyname <> "-" <> jitsiRoom)
     "jitsiTrigger" -> do