1 files changed, 3 insertions, 3 deletions
diff --git a/tools/qdoc3/pagegenerator.h b/tools/qdoc3/pagegenerator.h
index 20a6c3c..7ab7e5e 100644
--- a/tools/qdoc3/pagegenerator.h
+++ b/tools/qdoc3/pagegenerator.h
@@ -69,9 +69,9 @@ class PageGenerator : public Generator
     virtual void generateTree(const Tree *tree, CodeMarker *marker);
 
  protected:
-    virtual QString fileBase(const Node *node);
-    virtual QString fileExtension(const Node *node) = 0;
-    QString fileName(const Node *node);
+    virtual QString fileBase(const Node *node) const;
+    virtual QString fileExtension(const Node *node) const = 0;
+    QString fileName(const Node *node) const;
     QString outFileName();
     void beginSubPage(const Location& location, const QString& fileName);
     void endSubPage();