diff --git a/Dockerfile b/Dockerfile
index 7c52c94..9c02305 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -21,6 +21,7 @@ RUN mkdir -p /data/cache
 
 ENV PYTHONUNBUFFERED=1
 ENV EFFECTS_PATH=/app/artdag-effects
+ENV PYTHONPATH=/app
 
 # Default command runs the server
 CMD ["python", "server.py"]