diff --git a/src/gcal-source-dialog.h b/src/gcal-source-dialog.h
index c0b8cad6..8c4962b0 100644
--- a/src/gcal-source-dialog.h
+++ b/src/gcal-source-dialog.h
@@ -35,7 +35,7 @@ struct _GcalSourceDialogClass
   GtkDialogClass parent;
 };
 
-GcalSourceManager *gcal_source_dialog_new (void);
+GcalSourceDialog* gcal_source_dialog_new (void);
 
 G_END_DECLS