diff --git a/src/connection-editor/connection-helpers.c b/src/connection-editor/connection-helpers.c
index 502bf6c4e8de2e0c7780d2438bf5dec5a89fcd9b..4c1ed035dcd8e8eb0ab64123d61ebcf070d84cc4 100644
--- a/src/connection-editor/connection-helpers.c
+++ b/src/connection-editor/connection-helpers.c
@@ -732,7 +732,7 @@ delete_cb (GObject *connection,
 	g_clear_error (&error);
 
 	if (result_func)
-		(*result_func) (NM_REMOTE_CONNECTION (connection), error == NULL, user_data);
+		(*result_func) (FUNC_TAG_DELETE_CONNECTION_RESULT_CALL, NM_REMOTE_CONNECTION (connection), error == NULL, user_data);
 }
 
 void
diff --git a/src/connection-editor/connection-helpers.h b/src/connection-editor/connection-helpers.h
index 90f5265ecf08b354f292f383b0627e18a4a77403..05640b5930597ee9d75df9f9d6db69cc06013cbb 100644
--- a/src/connection-editor/connection-helpers.h
+++ b/src/connection-editor/connection-helpers.h
@@ -66,7 +66,11 @@ void new_connection_of_type (GtkWindow *parent_window,
                              NewConnectionResultFunc result_func,
                              gpointer user_data);
 
-typedef void (*DeleteConnectionResultFunc) (NMRemoteConnection *connection,
+struct _func_tag_delete_connection_result;
+#define FUNC_TAG_DELETE_CONNECTION_RESULT_IMPL struct _func_tag_delete_connection_result *_dummy
+#define FUNC_TAG_DELETE_CONNECTION_RESULT_CALL ((struct _func_tag_delete_connection_result *) NULL)
+typedef void (*DeleteConnectionResultFunc) (FUNC_TAG_DELETE_CONNECTION_RESULT_IMPL,
+                                            NMRemoteConnection *connection,
                                             gboolean deleted,
                                             gpointer user_data);
 
diff --git a/src/connection-editor/nm-connection-list.c b/src/connection-editor/nm-connection-list.c
index 4b7f759feedd212e6cd0970539a050c2a0566171..f391df014b687fa55e270db9d218bbcd39039a0c 100644
--- a/src/connection-editor/nm-connection-list.c
+++ b/src/connection-editor/nm-connection-list.c
@@ -359,7 +359,10 @@ do_edit (NMConnectionList *list)
 }
 
 static void
-delete_connection_cb (NMRemoteConnection *connection, gboolean deleted, gpointer user_data)
+delete_connection_cb (FUNC_TAG_DELETE_CONNECTION_RESULT_IMPL,
+                      NMRemoteConnection *connection,
+                      gboolean deleted,
+                      gpointer user_data)
 {
 	NMConnectionList *list = user_data;
 
diff --git a/src/connection-editor/page-master.c b/src/connection-editor/page-master.c
index eba7482c9bbe85f7311845688d77e62dcf2fc786..591feece35da78d00eee0e14efb6a61bad37131d 100644
--- a/src/connection-editor/page-master.c
+++ b/src/connection-editor/page-master.c
@@ -485,7 +485,8 @@ connection_double_clicked_cb (GtkTreeView *tree_view,
 }
 
 static void
-delete_result_cb (NMRemoteConnection *connection,
+delete_result_cb (FUNC_TAG_DELETE_CONNECTION_RESULT_IMPL,
+                  NMRemoteConnection *connection,
                   gboolean deleted,
                   gpointer user_data)
 {