diff --git a/src/hotkeys.cpp b/src/hotkeys.cpp
index bf3bb8ef26..34b8fe4d76 100644
--- a/src/hotkeys.cpp
+++ b/src/hotkeys.cpp
@@ -337,7 +337,7 @@ void SaveHotkeysToConfig()
 	SaveLoadHotkeys(true);
 }
 
-void HandleGlobalHotkeys(uint16 key, uint16 keycode)
+void HandleGlobalHotkeys(WChar key, uint16 keycode)
 {
 	for (HotkeyList **list = _hotkey_lists->Begin(); list != _hotkey_lists->End(); ++list) {
 		if ((*list)->global_hotkey_handler == NULL) continue;
diff --git a/src/hotkeys.h b/src/hotkeys.h
index 19791663db..25a489b3f3 100644
--- a/src/hotkeys.h
+++ b/src/hotkeys.h
@@ -15,6 +15,7 @@
 #include "core/smallvec_type.hpp"
 #include "gfx_type.h"
 #include "window_type.h"
+#include "string_type.h"
 
 /**
  * All data for a single hotkey. The name (for saving/loading a configfile),
@@ -67,6 +68,6 @@ void LoadHotkeysFromConfig();
 void SaveHotkeysToConfig();
 
 
-void HandleGlobalHotkeys(uint16 key, uint16 keycode);
+void HandleGlobalHotkeys(WChar key, uint16 keycode);
 
 #endif /* HOTKEYS_H */