diff --git a/src/contactpanel.h b/src/contactpanel.h
index 92bccf3..439f52a 100644
--- a/src/contactpanel.h
+++ b/src/contactpanel.h
@@ -122,6 +122,9 @@
   showError(const QString& msg);
 
   void
+  showWarning(const QString& msg);
+
+  void
   updateSelection(const QItemSelection &selected,
                   const QItemSelection &deselected);