diff --git a/render-wasm/watch b/render-wasm/watch
index 5ead50c188..90c08c9ffd 100755
--- a/render-wasm/watch
+++ b/render-wasm/watch
@@ -14,7 +14,7 @@ pushd $_SCRIPT_DIR;
 
 cargo watch \
       --why \
-      -i "_tmp*"
+      -i "_tmp*" \
       -x "build $CARGO_PARAMS" \
       -s "./build" \
       -s "echo 'DONE\n'";