diff --git a/inc/dd.h b/inc/dd.h
index a0bd368..9ba1bf5 100644
--- a/inc/dd.h
+++ b/inc/dd.h
@@ -49,7 +49,7 @@ HRESULT dd_CreateEx(GUID* lpGuid, LPVOID* lplpDD, REFIID iid, IUnknown* pUnkOute
 #define LIMIT_AUTO 0
 #define LIMIT_TESTCOOP 1
 #define LIMIT_BLTFAST 2
-#define LIMIT_UNLÖCK 3
+#define LIMIT_UNLOCK 3
 
 #ifndef CREATE_WAITABLE_TIMER_HIGH_RESOLUTION
 #define CREATE_WAITABLE_TIMER_HIGH_RESOLUTION 0x00000002
diff --git a/src/ddsurface.c b/src/ddsurface.c
index 7679807..9dfe0c7 100644
--- a/src/ddsurface.c
+++ b/src/ddsurface.c
@@ -1200,7 +1200,7 @@ HRESULT dds_Unlock(IDirectDrawSurfaceImpl* This, LPRECT lpRect)
             ReleaseSemaphore(g_ddraw.render.sem, 1, NULL);
 
             if (g_ddraw.ticks_limiter.tick_length > 0 &&
-                (!g_ddraw.ticks_limiter.dds_unlock_limiter_disabled || g_config.limiter_type == LIMIT_UNLÖCK))
+                (!g_ddraw.ticks_limiter.dds_unlock_limiter_disabled || g_config.limiter_type == LIMIT_UNLOCK))
             {
                 util_limit_game_ticks();
             }