diff --git a/abra.sh b/abra.sh
index 5eeb0e2..fa799ff 100644
--- a/abra.sh
+++ b/abra.sh
@@ -41,7 +41,7 @@ prepare_mas_migration () {
     fi
 
     echo "Copying into mas:/tmp"
-    abra app cp -C "$DOMAIN" "homeserver.yaml" "mas:/tmp" || return 1
+    abra app cp "$DOMAIN" "homeserver.yaml" "mas:/tmp" || return 1
 
     echo "Running mas-cli syn2mas check..."
     abra app run -t "$DOMAIN" mas -- mas-cli syn2mas check \