diff --git a/common/regress/atofoo/atofoo_test.c b/common/regress/atofoo/atofoo_test.c
index 852822969..9e4753349 100644
--- a/common/regress/atofoo/atofoo_test.c
+++ b/common/regress/atofoo/atofoo_test.c
@@ -88,8 +88,8 @@ static struct atoid_data {
     { "0,1", 0, ",", "," },
     { "10", 10, NULL, NULL },
     { "-2", -2, NULL, NULL },
-    { "-2", 4294967294, NULL, NULL },
-    { "4294967294", 4294967294, NULL, NULL },
+    { "-2", 4294967294U, NULL, NULL },
+    { "4294967294", 4294967294U, NULL, NULL },
     { NULL, 0, NULL, NULL }
 };