diff --git a/gui/builtinContextMenus/moduleAmmoPicker.py b/gui/builtinContextMenus/moduleAmmoPicker.py
index c212dea2b..888a41aca 100644
--- a/gui/builtinContextMenus/moduleAmmoPicker.py
+++ b/gui/builtinContextMenus/moduleAmmoPicker.py
@@ -163,6 +163,7 @@ class ModuleAmmoPicker(ContextMenu):
             self.charges.sort(key=self.missileSorter)
             type = None
             sub = None
+            defender = None
             for charge in self.charges:
                 currType = self.damageInfo(charge)[0]