diff --git a/src/plugins/coreplugin/iversioncontrol.h b/src/plugins/coreplugin/iversioncontrol.h
index 3c6e5bb861a4e1d001cd1fd45b21479620eaaa80..5a6ed6152932b98597eb686a888e46d5a4f0a1a0 100644
--- a/src/plugins/coreplugin/iversioncontrol.h
+++ b/src/plugins/coreplugin/iversioncontrol.h
@@ -76,8 +76,9 @@ public:
         virtual QString refreshTopic(const QString &repository) = 0;
 
     private:
-        struct TopicData
+        class TopicData
         {
+        public:
             QDateTime timeStamp;
             QString topic;
         };