diff --git a/nrf_802154/driver/src/nrf_802154_request_swi.c b/nrf_802154/driver/src/nrf_802154_request_swi.c
index 1e884e85f..156bc5b77 100644
--- a/nrf_802154/driver/src/nrf_802154_request_swi.c
+++ b/nrf_802154/driver/src/nrf_802154_request_swi.c
@@ -101,6 +101,7 @@ typedef enum
 typedef struct
 {
     nrf_802154_req_type_t type; ///< Type of the request.
+    bool touched;
 
     union
     {
@@ -333,6 +334,7 @@ static bool active_vector_priority_is_high(void)
  * @param[in]   term_lvl  Termination level of this request. Selects procedures to abort.
  * @param[out]  p_result  Result of entering the sleep state.
  */
+void printk(const char* fmt, ...);
 static void swi_sleep(nrf_802154_term_t term_lvl, bool * p_result)
 {
     nrf_802154_req_data_t * p_slot = req_enter();
@@ -340,8 +342,16 @@ static void swi_sleep(nrf_802154_term_t term_lvl, bool * p_result)
     p_slot->type                = REQ_TYPE_SLEEP;
     p_slot->data.sleep.term_lvl = term_lvl;
     p_slot->data.sleep.p_result = p_result;
+    p_slot->touched = false;
 
     req_exit();
+    if (!p_slot->touched)
+    {
+        while(true)
+        {
+            printk("This should never happen!\n");
+        }
+    }
 }
 
 /**
@@ -856,6 +866,7 @@ static void irq_handler_req_event(void)
             case REQ_TYPE_SLEEP:
                 *(p_slot->data.sleep.p_result) =
                     nrf_802154_core_sleep(p_slot->data.sleep.term_lvl);
+                p_slot->touched = true;
                 break;
 
             case REQ_TYPE_RECEIVE: