diff --git a/features/lorawan/LoRaWANInterface.h b/features/lorawan/LoRaWANInterface.h
index 87d533da72..7b6068798d 100644
--- a/features/lorawan/LoRaWANInterface.h
+++ b/features/lorawan/LoRaWANInterface.h
@@ -310,7 +310,7 @@ public:
      *
      * @return                  It could be one of these:
      *                             i)   0 if there is nothing else to read.
-     *                             ii)  Number of bytes still pending to read.
+     *                             ii)  Number of bytes written to user buffer.
      *                             iii) LORA_MAC_STATUS_WOULD_BLOCK if there is
      *                                  nothing available to read at the moment.
      *                             iv)  A negative error code on failure.
diff --git a/features/lorawan/LoRaWANStack.cpp b/features/lorawan/LoRaWANStack.cpp
index c017eba21f..4ddc152001 100644
--- a/features/lorawan/LoRaWANStack.cpp
+++ b/features/lorawan/LoRaWANStack.cpp
@@ -991,7 +991,7 @@ int16_t LoRaWANStack::handle_rx(const uint8_t port, uint8_t* data,
         _rx_msg.receive_ready = false;
     }
 
-    return _rx_msg.pending_size;
+    return base_size;
 }
 
 lora_mac_status_t LoRaWANStack::mlme_request_handler(lora_mac_mlme_req_t *mlme_request)
diff --git a/features/lorawan/LoRaWANStack.h b/features/lorawan/LoRaWANStack.h
index 0e1aa7f675..24d430feb3 100644
--- a/features/lorawan/LoRaWANStack.h
+++ b/features/lorawan/LoRaWANStack.h
@@ -259,7 +259,7 @@ public:
      *
      * @return                  It could be one of these:
      *                             i)   0 if there is nothing else to read.
-     *                             ii)  Number of bytes still pending to read.
+     *                             ii)  Number of bytes written to user buffer.
      *                             iii) LORA_MAC_STATUS_WOULD_BLOCK if there is
      *                                  nothing available to read at the moment.
      *                             iv)  A negative error code on failure.
diff --git a/features/netsocket/LoRaWANBase.h b/features/netsocket/LoRaWANBase.h
index f8826e09a2..9b26610718 100644
--- a/features/netsocket/LoRaWANBase.h
+++ b/features/netsocket/LoRaWANBase.h
@@ -222,7 +222,7 @@ public:
      *
      * @return                  It could be one of these:
      *                             i)   0 if there is nothing else to read.
-     *                             ii)  Number of bytes still pending to read.
+     *                             ii)  Number of bytes written to user buffer.
      *                             iii) LORA_MAC_STATUS_WOULD_BLOCK if there is
      *                                  nothing available to read at the moment.
      *                             iv)  A negative error code on failure.