diff --git a/render_kdenlive.py b/render_kdenlive.py
index 82948f5..f4aa573 100644
--- a/render_kdenlive.py
+++ b/render_kdenlive.py
@@ -15,7 +15,7 @@ def get_propery(element, name):
 def melt_xml(file):
     out = None
     real_path = os.path.realpath(path)
-    if file in _CACHE and isinstance(_CACHE[file], list)
+    if file in _CACHE and isinstance(_CACHE[file], list):
         ts, out = _CACHE[file]
         if os.stat(real_path).st_mtime != ts:
             out = None