diff --git a/aegisub/src/hotkey_data_view_model.cpp b/aegisub/src/hotkey_data_view_model.cpp
index 80b5e6a2f..1ba14bb20 100644
--- a/aegisub/src/hotkey_data_view_model.cpp
+++ b/aegisub/src/hotkey_data_view_model.cpp
@@ -84,7 +84,8 @@ public:
 	}
 
 	void Apply(Hotkey::HotkeyMap *hk_map) {
-		hk_map->insert(make_pair(combo.CmdName(), combo));
+		if (combo.CmdName().size() || combo.Str().size())
+			hk_map->insert(make_pair(combo.CmdName(), combo));
 	}
 
 	unsigned int GetChildren(wxDataViewItemArray &) const { return 0; }