diff --git a/src/plugins/projectexplorer/projectconfiguration.h b/src/plugins/projectexplorer/projectconfiguration.h
index 5ff4a0fc76199e1268aaeadab7bc3f6ee7221515..84bc778d75c3a126a720c909c3e5ac114fcd00c2 100644
--- a/src/plugins/projectexplorer/projectconfiguration.h
+++ b/src/plugins/projectexplorer/projectconfiguration.h
@@ -102,7 +102,7 @@ protected:
     void setEnabled(bool enabled);
 
 private:
-    bool m_isEnabled;
+    bool m_isEnabled = false;
 };
 
 // helper functions: