diff --git a/manimlib/__main__.py b/manimlib/__main__.py
index ebd342fe..37264645 100644
--- a/manimlib/__main__.py
+++ b/manimlib/__main__.py
@@ -15,3 +15,6 @@ def main():
 
         for scene in scenes:
             scene.run()
+
+if __name__ == '__main__':
+    main()