diff --git a/tests/test-xvasprintf.c b/tests/test-xvasprintf.c
index 453ca58..772a700 100644
--- a/tests/test-xvasprintf.c
+++ b/tests/test-xvasprintf.c
@@ -56,9 +56,12 @@ test_xvasprintf (void)
   {
     /* Silence gcc warning about zero-length format string.  */
     const char *empty = "";
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wformat-zero-length"
     result = my_xasprintf (empty);
     ASSERT (result != NULL);
     ASSERT (strcmp (result, "") == 0);
+#pragma GCC diagnostic pop
     free (result);
   }
 
@@ -97,9 +100,12 @@ test_xasprintf (void)
        and about "format not a string literal and no format"
        (whatever that means) .  */
     const char *empty = "";
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wformat-nonliteral"
     result = xasprintf (empty, empty);
     ASSERT (result != NULL);
     ASSERT (strcmp (result, "") == 0);
+#pragma GCC diagnostic pop
     free (result);
   }