diff --git a/dlls/dinput/mouse/main.c b/dlls/dinput/mouse/main.c
index c3827a09e60..f9f39143eed 100644
--- a/dlls/dinput/mouse/main.c
+++ b/dlls/dinput/mouse/main.c
@@ -660,8 +660,8 @@ static HRESULT WINAPI SysMouseAImpl_Unacquire(LPDIRECTINPUTDEVICE8A iface)
         This->acquired = 0;
     }
     else
-	ERR("Unacquiring a not-acquired device !!!\n");
-
+	return DI_NOEFFECT;
+	
     return DI_OK;
 }