diff --git a/src/plugins/projectexplorer/project.h b/src/plugins/projectexplorer/project.h
index 3df8df2d7c4..e6df98372fd 100644
--- a/src/plugins/projectexplorer/project.h
+++ b/src/plugins/projectexplorer/project.h
@@ -102,6 +102,7 @@ public:
     Core::IDocument *document() const;
     Utils::FileName projectFilePath() const;
     Utils::FileName projectDirectory() const;
+    Utils::FileName rootProjectDirectory() const;
     static Utils::FileName projectDirectory(const Utils::FileName &top);
 
     virtual ProjectNode *rootProjectNode() const;