diff --git a/src/glbl_ime.cpp b/src/glbl_ime.cpp
index f42a218..16ca932 100644
--- a/src/glbl_ime.cpp
+++ b/src/glbl_ime.cpp
@@ -136,7 +136,7 @@
     {
 #if defined(WIN3264) && defined(FEAT_MBYTE)
 	if (wide_WindowProc)
-	    lResult = DefWindowProcW(hwnd, Msg, wParam, lParam);
+	    lResult = DefWindowProcW(hWnd, Msg, wParam, lParam);
 	else
 #endif
 	    lResult = DefWindowProc(hWnd, Msg, wParam, lParam);