diff --git a/libraries/ZWidget/src/window/win32/win32window.cpp b/libraries/ZWidget/src/window/win32/win32window.cpp
index 958c3fef60..f86fc669d2 100644
--- a/libraries/ZWidget/src/window/win32/win32window.cpp
+++ b/libraries/ZWidget/src/window/win32/win32window.cpp
@@ -35,12 +35,13 @@
 BOOL DwmDefWindowProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam, LRESULT *plResult )
 {
 	typedef LRESULT(* dwmdwp)(HWND, UINT, WPARAM, LPARAM );
-	BOOL result(false);
+	BOOL result(FALSE);
 	HMODULE module = LoadLibrary( _T( "dwmapi.dll" ) );
 	if( module ) {
 		dwmdwp proc = reinterpret_cast<dwmdwp>( GetProcAddress( module, "DwmDefWindowProc" ) );
 		if( proc ) {
 			*plResult = proc( hWnd, msg, wParam, lParam );
+			result = TRUE;
 		}
 		FreeLibrary(module);
 	}