diff --git a/lib/isc/netmgr/netmgr.c b/lib/isc/netmgr/netmgr.c
index 0e8a491831..0c906e69b9 100644
--- a/lib/isc/netmgr/netmgr.c
+++ b/lib/isc/netmgr/netmgr.c
@@ -1753,9 +1753,11 @@ nmhandle_deactivate(isc_nmsocket_t *sock, isc_nmhandle_t *handle) {
 
 	INSIST(atomic_fetch_sub(&sock->ah, 1) > 0);
 
+#if !__SANITIZE_ADDRESS && !__SANITIZE_THREAD__
 	if (atomic_load(&sock->active)) {
 		reuse = isc_astack_trypush(sock->inactivehandles, handle);
 	}
+#endif /* !__SANITIZE_ADDRESS && !__SANITIZE_THREAD__ */
 	if (!reuse) {
 		nmhandle_free(sock, handle);
 	}