diff --git a/src/systemd/sd-resolve.h b/src/systemd/sd-resolve.h
index 14d0cbde04..d4921e9559 100644
--- a/src/systemd/sd-resolve.h
+++ b/src/systemd/sd-resolve.h
@@ -43,9 +43,9 @@ typedef int (*sd_resolve_getaddrinfo_handler_t)(sd_resolve_query *q, int ret, co
 typedef int (*sd_resolve_getnameinfo_handler_t)(sd_resolve_query *q, int ret, const char *host, const char *serv, void *userdata);
 
 enum {
-        SD_RESOLVE_GET_HOST = UINT64_C(1),
-        SD_RESOLVE_GET_SERVICE = UINT64_C(2),
-        SD_RESOLVE_GET_BOTH = UINT64_C(3),
+        SD_RESOLVE_GET_HOST    = 1 << 0,
+        SD_RESOLVE_GET_SERVICE = 1 << 1,
+        SD_RESOLVE_GET_BOTH = SD_RESOLVE_GET_HOST | SD_RESOLVE_GET_SERVICE,
 };
 
 int sd_resolve_default(sd_resolve **ret);