diff --git a/lib/isc/netmgr/netmgr.c b/lib/isc/netmgr/netmgr.c
index 4e9441e0a5..0bc2c7c51d 100644
--- a/lib/isc/netmgr/netmgr.c
+++ b/lib/isc/netmgr/netmgr.c
@@ -1754,9 +1754,11 @@ 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);
 	}