diff --git a/subsys/mgmt/mcumgr/smp_client/src/client.c b/subsys/mgmt/mcumgr/smp_client/src/client.c
index 77b09eb1828..c74e6f1ba78 100644
--- a/subsys/mgmt/mcumgr/smp_client/src/client.c
+++ b/subsys/mgmt/mcumgr/smp_client/src/client.c
@@ -112,7 +112,7 @@ static void smp_client_transport_work_fn(struct k_work *work)
 			entry->retry_cnt--;
 			entry->timestamp = time_stamp_ref + CONFIG_SMP_CMD_RETRY_TIME;
 			k_fifo_put(&entry->smp_client->tx_fifo, entry->nb);
-			smp_tx_req(&entry->smp_client->work);
+			k_work_submit_to_queue(smp_get_wq(), &entry->smp_client->work);
 			continue;
 		}
 
@@ -126,7 +126,8 @@ static void smp_client_transport_work_fn(struct k_work *work)
 
 	if (!sys_slist_is_empty(&smp_client_data.cmd_list)) {
 		/* Re-schedule new timeout to next */
-		k_work_reschedule(&smp_client_data.work_delay, K_MSEC(backoff_ms));
+		k_work_reschedule_for_queue(smp_get_wq(), &smp_client_data.work_delay,
+					    K_MSEC(backoff_ms));
 	}
 }
 
@@ -160,7 +161,8 @@ static void smp_cmd_add_to_list(struct smp_client_cmd_req *cmd_req)
 {
 	if (sys_slist_is_empty(&smp_client_data.cmd_list)) {
 		/* Enable timer */
-		k_work_reschedule(&smp_client_data.work_delay, K_MSEC(CONFIG_SMP_CMD_RETRY_TIME));
+		k_work_reschedule_for_queue(smp_get_wq(), &smp_client_data.work_delay,
+					    K_MSEC(CONFIG_SMP_CMD_RETRY_TIME));
 	}
 	sys_slist_append(&smp_client_data.cmd_list, &cmd_req->node);
 }
@@ -320,7 +322,7 @@ int smp_client_send_cmd(struct smp_client_object *smp_client, struct net_buf *nb
 	nb = net_buf_ref(nb);
 	smp_cmd_add_to_list(cmd_req);
 	k_fifo_put(&smp_client->tx_fifo, nb);
-	smp_tx_req(&smp_client->work);
+	k_work_submit_to_queue(smp_get_wq(), &smp_client->work);
 	return MGMT_ERR_EOK;
 }
 
diff --git a/subsys/mgmt/mcumgr/transport/include/mgmt/mcumgr/transport/smp_internal.h b/subsys/mgmt/mcumgr/transport/include/mgmt/mcumgr/transport/smp_internal.h
index 822ca2f5ace..b2318558928 100644
--- a/subsys/mgmt/mcumgr/transport/include/mgmt/mcumgr/transport/smp_internal.h
+++ b/subsys/mgmt/mcumgr/transport/include/mgmt/mcumgr/transport/smp_internal.h
@@ -50,11 +50,11 @@ void smp_rx_req(struct smp_transport *smtp, struct net_buf *nb);
 
 #ifdef CONFIG_SMP_CLIENT
 /**
- * @brief Trig SMP client request packet for transmission.
+ * @brief Get work queue for SMP client.
  *
- * @param work	The transport to use to send the corresponding response(s).
+ * @return SMP work queue object.
  */
-void smp_tx_req(struct k_work *work);
+struct k_work_q *smp_get_wq(void);
 #endif
 
 /**
diff --git a/subsys/mgmt/mcumgr/transport/src/smp.c b/subsys/mgmt/mcumgr/transport/src/smp.c
index 53aab569b23..19f02e39d85 100644
--- a/subsys/mgmt/mcumgr/transport/src/smp.c
+++ b/subsys/mgmt/mcumgr/transport/src/smp.c
@@ -204,9 +204,9 @@ smp_rx_req(struct smp_transport *smpt, struct net_buf *nb)
 }
 
 #ifdef CONFIG_SMP_CLIENT
-void smp_tx_req(struct k_work *work)
+struct k_work_q *smp_get_wq(void)
 {
-	k_work_submit_to_queue(&smp_work_queue, work);
+	return &smp_work_queue;
 }
 #endif