diff --git a/docker/Dockerfile b/docker/Dockerfile
index bb173c9..837747e 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -17,7 +17,7 @@ COPY . .
 EXPOSE 80
 
 # Runs the stub script
-RUN "python app/stub.py"
+RUN "python3 app/stub.py"
 
 # Launches the uvicorn server (command from offical FastAPI documentation)
 CMD ["fastapi", "run", "app/main.py", "--port", "80"]
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