diff --git a/glib/tests/mem-overflow.c b/glib/tests/mem-overflow.c
index 64ec0b0cd..61225b763 100644
--- a/glib/tests/mem-overflow.c
+++ b/glib/tests/mem-overflow.c
@@ -200,7 +200,7 @@ empty_alloc (void)
 }
 #endif
 
-#ifdef __GNUC__
+#if defined(__GNUC__) && __GNUC__ > 6
 #pragma GCC diagnostic pop
 #endif