diff --git a/sys/include/net/asymcute.h b/sys/include/net/asymcute.h
index e5fb733f63..26b9ed582a 100644
--- a/sys/include/net/asymcute.h
+++ b/sys/include/net/asymcute.h
@@ -145,13 +145,13 @@ extern "C" {
 #define CONFIG_ASYMCUTE_T_RETRY            (10U)       /* -> 10 sec */
 #endif
 
-#ifndef ASYMCUTE_N_RETRY
+#ifndef CONFIG_ASYMCUTE_N_RETRY
 /**
  * @brief   Number of retransmissions until requests time out
  *
  * For the default value, see spec v1.2, section 7.2 -> N_RETRY: 3-5
  */
-#define ASYMCUTE_N_RETRY            (3U)
+#define CONFIG_ASYMCUTE_N_RETRY            (3U)
 #endif
 
 /**
diff --git a/sys/net/application_layer/asymcute/asymcute.c b/sys/net/application_layer/asymcute/asymcute.c
index 4d8ec0a819..a408a02173 100644
--- a/sys/net/application_layer/asymcute/asymcute.c
+++ b/sys/net/application_layer/asymcute/asymcute.c
@@ -181,7 +181,7 @@ static void _req_send(asymcute_req_t *req, asymcute_con_t *con,
     /* initialize request */
     req->con = con;
     req->cb = cb;
-    req->retry_cnt = ASYMCUTE_N_RETRY;
+    req->retry_cnt = CONFIG_ASYMCUTE_N_RETRY;
     event_callback_init(&req->to_evt, _on_req_timeout, (void *)req);
     event_timeout_init(&req->to_timer, &_queue, &req->to_evt.super);
     /* add request to the pending queue (if non-con request) */
@@ -328,7 +328,7 @@ static void _on_connack(asymcute_con_t *con, const uint8_t *data, size_t len)
     if (data[2] == MQTTSN_ACCEPTED) {
         con->state = CONNECTED;
         /* start keep alive timer */
-        con->keepalive_retry_cnt = ASYMCUTE_N_RETRY;
+        con->keepalive_retry_cnt = CONFIG_ASYMCUTE_N_RETRY;
         event_timeout_set(&con->keepalive_timer, KEEPALIVE_TO);
         ret = ASYMCUTE_CONNECTED;
     }
@@ -369,9 +369,9 @@ static void _on_pingresp(asymcute_con_t *con)
 {
     mutex_lock(&con->lock);
     /* only handle ping resp message if we are actually waiting for a reply */
-    if (con->keepalive_retry_cnt < ASYMCUTE_N_RETRY) {
+    if (con->keepalive_retry_cnt < CONFIG_ASYMCUTE_N_RETRY) {
         event_timeout_clear(&con->keepalive_timer);
-        con->keepalive_retry_cnt = ASYMCUTE_N_RETRY;
+        con->keepalive_retry_cnt = CONFIG_ASYMCUTE_N_RETRY;
         event_timeout_set(&con->keepalive_timer, KEEPALIVE_TO);
     }
     mutex_unlock(&con->lock);
@@ -637,7 +637,7 @@ int asymcute_listener_run(asymcute_con_t *con, char *stack, size_t stacksize,
     random_bytes((uint8_t *)&con->last_id, 2);
     event_callback_init(&con->keepalive_evt, _on_keepalive_evt, con);
     event_timeout_init(&con->keepalive_timer, &_queue, &con->keepalive_evt.super);
-    con->keepalive_retry_cnt = ASYMCUTE_N_RETRY;
+    con->keepalive_retry_cnt = CONFIG_ASYMCUTE_N_RETRY;
     con->state = NOTCON;
     con->user_cb = callback;