diff --git a/sm.h b/sm.h
index e9b6e6fab2..7bc1982a46 100644
--- a/sm.h
+++ b/sm.h
@@ -47,7 +47,7 @@ public Q_SLOTS: // DBus API
 
 private:
     void setState(SessionState state);
-    SessionState m_sessionState;
+    SessionState m_sessionState = SessionState::Normal;
 };
 
 struct SessionInfo {