diff --git a/Dockerfile b/Dockerfile
index a381a06..78fae1f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,8 +4,4 @@ WORKDIR /app
 
 COPY drone_test ./
 
-CMD [
-  "python",
-  "-c",
-  "from drone_test import circle_area; print(circle_area(2)"
-]
+CMD python -c "from drone_test import circle_area; print(circle_area(2)"