diff --git a/InitialSram.py b/InitialSram.py
index 3de0dffe..0be80de2 100644
--- a/InitialSram.py
+++ b/InitialSram.py
@@ -53,7 +53,7 @@ class InitialSram:
     def pre_open_pyramid_hole(self):
         self._or_value(OVERWORLD_DATA+0x5B, 0x20)
 
-    def pre_set_overworld_flag(self, owid, bitmask)
+    def pre_set_overworld_flag(self, owid, bitmask):
         self._or_value(OVERWORLD_DATA+owid, bitmask)
 
     def set_starting_equipment(self, world: object, player: int):