diff --git a/dlls/msacm32.drv/wavemap.c b/dlls/msacm32.drv/wavemap.c
index 556b0c07534..1faf7d2e3d0 100644
--- a/dlls/msacm32.drv/wavemap.c
+++ b/dlls/msacm32.drv/wavemap.c
@@ -673,7 +673,7 @@ static void CALLBACK widCallback(HWAVEIN hWave, UINT uMsg, DWORD_PTR dwInstance,
 	return;
     }
 
-    if (hWave != wim->u.in.hInnerWave && uMsg != WIM_OPEN)
+    if (uMsg != WIM_OPEN && hWave != wim->u.in.hInnerWave)
 	ERR("Shouldn't happen (%p %p)\n", hWave, wim->u.in.hInnerWave);
 
     switch (uMsg) {