diff --git a/buildconfig/stubs/pygame/mixer.pyi b/buildconfig/stubs/pygame/mixer.pyi
index 586512267e..d1d9b3b5ba 100644
--- a/buildconfig/stubs/pygame/mixer.pyi
+++ b/buildconfig/stubs/pygame/mixer.pyi
@@ -73,7 +73,7 @@ class Sound:
 @final
 class Channel:
     def __init__(self, id: int) -> None: ...
-    def get_id() -> int: ...
+    def get_id(self) -> int: ...
     def play(
         self,
         sound: Sound,