diff --git a/Dockerfile b/Dockerfile
index 07b4c6a..3897130 100755
--- a/Dockerfile
+++ b/Dockerfile
@@ -20,4 +20,4 @@ COPY download.sh .
 COPY Zajecia_2/main.py .
 
 RUN ./download.sh
-RUN python3 ./main.py
+CMD ["python3", "./main.py"]