diff --git a/src/plugins/vcsbase/vcsbaseplugin.cpp b/src/plugins/vcsbase/vcsbaseplugin.cpp
index 0e8910ada9f..8e9816c32d9 100644
--- a/src/plugins/vcsbase/vcsbaseplugin.cpp
+++ b/src/plugins/vcsbase/vcsbaseplugin.cpp
@@ -91,8 +91,9 @@ namespace Internal {
     Aggregated in the QSharedData of VcsBase::VcsBasePluginState.
 */
 
-struct State
+class State
 {
+public:
     void clearFile();
     void clearPatchFile();
     void clearProject();
diff --git a/src/plugins/vcsbase/vcsbaseplugin.h b/src/plugins/vcsbase/vcsbaseplugin.h
index f091b5d2d25..f86c7bcaeb4 100644
--- a/src/plugins/vcsbase/vcsbaseplugin.h
+++ b/src/plugins/vcsbase/vcsbaseplugin.h
@@ -59,7 +59,7 @@ class IDocument;
 
 namespace VcsBase {
 
-namespace Internal { struct State; }
+namespace Internal { class State; }
 
 class VcsBaseSubmitEditor;
 class VcsBasePluginPrivate;