diff --git a/dbus/dbus-sysdeps-win.c b/dbus/dbus-sysdeps-win.c
index 30f084e4..e5cab351 100644
--- a/dbus/dbus-sysdeps-win.c
+++ b/dbus/dbus-sysdeps-win.c
@@ -2717,9 +2717,9 @@ HANDLE _dbus_global_lock (const char *mutexname)
        case WAIT_FAILED:
        case WAIT_TIMEOUT:
                return 0;
+       default:
+               return mutex;
      }
-
-   return mutex;
 }
 
 static