diff --git a/src/libnm-glib-aux/nm-shared-utils.c b/src/libnm-glib-aux/nm-shared-utils.c
index 3fa00570b4..f2483da1ad 100644
--- a/src/libnm-glib-aux/nm-shared-utils.c
+++ b/src/libnm-glib-aux/nm-shared-utils.c
@@ -5000,14 +5000,14 @@ _nm_g_source_sentinel_get_init(GSource **p_source)
     };
     GSource *source;
 
-again:
     source = g_source_new((GSourceFuncs *) &source_funcs, sizeof(GSource));
     g_source_set_priority(source, G_PRIORITY_DEFAULT_IDLE);
     g_source_set_name(source, "nm_g_source_sentinel");
 
     if (!g_atomic_pointer_compare_and_exchange(p_source, NULL, source)) {
         g_source_unref(source);
-        goto again;
+        source = g_atomic_pointer_get(p_source);
+        nm_assert(source);
     }
 
     return source;