diff --git a/docs/reference/gio/gdbus-codegen.xml b/docs/reference/gio/gdbus-codegen.xml
index f574b3b15..a82af2abb 100644
--- a/docs/reference/gio/gdbus-codegen.xml
+++ b/docs/reference/gio/gdbus-codegen.xml
@@ -697,7 +697,7 @@ on_handle_hello_world (MyAppFrobber           *object,
 
   g_signal_connect (object,
                     "handle-hello-world",
-                    G_CALLBACK (on_handle_hello-world),
+                    G_CALLBACK (on_handle_hello_world),
                     some_user_data);
 
   [...]