diff --git a/external/nng/src/platform/posix/posix_resolv_gai.c b/external/nng/src/platform/posix/posix_resolv_gai.c
index 8e1878b..f1f917e 100644
--- a/external/nng/src/platform/posix/posix_resolv_gai.c
+++ b/external/nng/src/platform/posix/posix_resolv_gai.c
@@ -457,14 +457,14 @@ nni_posix_resolv_sysinit(void)
 
 	resolv_fini = false;
 
-	for (int i = 0; i < NNG_RESOLV_CONCURRENCY; i++) {
+	for (int i = 0; i < nng_resolv_concurrency; i++) {
 		int rv = nni_thr_init(&resolv_thrs[i], resolv_worker, NULL);
 		if (rv != 0) {
 			nni_posix_resolv_sysfini();
 			return (rv);
 		}
 	}
-	for (int i = 0; i < NNG_RESOLV_CONCURRENCY; i++) {
+	for (int i = 0; i < nng_resolv_concurrency; i++) {
 		nni_thr_run(&resolv_thrs[i]);
 	}
 
@@ -479,7 +479,7 @@ nni_posix_resolv_sysfini(void)
 	nni_cv_wake(&resolv_cv);
 	nni_mtx_unlock(&resolv_mtx);
 
-	for (int i = 0; i < NNG_RESOLV_CONCURRENCY; i++) {
+	for (int i = 0; i < nng_resolv_concurrency; i++) {
 		nni_thr_fini(&resolv_thrs[i]);
 	}
 	nni_cv_fini(&resolv_cv);