diff --git a/worker.py b/worker.py
index 7f20474..ca47c33 100755
--- a/worker.py
+++ b/worker.py
@@ -24,6 +24,7 @@ def main():
     global SIGNAL_PATH, OUTPUT_PATH
     logger.info("Moodle Export Worker starting")
     SIGNAL_PATH = Path(SIGNAL_PATH)
+    OUTPUT_PATH = Path(OUTPUT_PATH)
 
     if SIGNAL_PATH.exists():
         if not SIGNAL_PATH.is_dir():