diff --git a/glib/gvarianttypeinfo.c b/glib/gvarianttypeinfo.c
index d2df7fd89..8564b778a 100644
--- a/glib/gvarianttypeinfo.c
+++ b/glib/gvarianttypeinfo.c
@@ -161,7 +161,7 @@ static void
 g_variant_type_info_check (const GVariantTypeInfo *info,
                            char                    container_class)
 {
-#ifndef G_DISABLE_ASSERT
+#ifdef G_ENABLE_DEBUG
   g_assert (!container_class || info->container_class == container_class);
 
   /* alignment can only be one of these */
@@ -190,7 +190,7 @@ g_variant_type_info_check (const GVariantTypeInfo *info,
       g_assert (0 <= index && index < 24);
       g_assert (g_variant_type_info_basic_chars[index][0] != ' ');
     }
-#endif  /* !G_DISABLE_ASSERT */
+#endif /* G_ENABLE_DEBUG */
 }
 
 /* < private >