diff --git a/src/doctor/dpmsclient.h b/src/doctor/dpmsclient.h
--- a/src/doctor/dpmsclient.h
+++ b/src/doctor/dpmsclient.h
@@ -69,7 +69,7 @@
     bool m_setOn = false;
 
     bool m_supportedOututCount = 0;
-    bool m_modeChanges = 0;
+    int m_modeChanges = 0;
 };
 
 } // namespace