diff --git a/source/portable/NetworkInterface/RX/NetworkInterface.c b/source/portable/NetworkInterface/RX/NetworkInterface.c
index 6f5d3a6c7..1c3874173 100644
--- a/source/portable/NetworkInterface/RX/NetworkInterface.c
+++ b/source/portable/NetworkInterface/RX/NetworkInterface.c
@@ -101,8 +101,10 @@ void prvLinkStatusChange( BaseType_t xStatus );
 
 /*-----------------------------------------------------------*/
 
-NetworkInterface_t * pxRX_FillInterfaceDescriptor( BaseType_t xEMACIndex,
-                                                   NetworkInterface_t * pxInterface );
+#if ( ipconfigIPv4_BACKWARD_COMPATIBLE != 0 )
+    NetworkInterface_t * pxRX_FillInterfaceDescriptor( BaseType_t xEMACIndex,
+                                                       NetworkInterface_t * pxInterface );
+#endif
 
 /* Function to initialise the network interface */
 BaseType_t xRX_NetworkInterfaceInitialise( NetworkInterface_t * pxInterface );
@@ -136,6 +138,14 @@ NetworkInterface_t * pxRX_FillInterfaceDescriptor( BaseType_t xEMACIndex,
     return pxInterface;
 }
 
+#if ( ipconfigIPv4_BACKWARD_COMPATIBLE != 0 )
+    NetworkInterface_t * pxFillInterfaceDescriptor( BaseType_t xEMACIndex,
+                                                    NetworkInterface_t * pxInterface )
+    {
+        return pxRX_FillInterfaceDescriptor( xEMACIndex, pxInterface );
+    }
+#endif
+
 /***********************************************************************************************************************
  * Function Name: xRX_NetworkInterfaceInitialise ()
  * Description  : Initialization of Ethernet driver.
diff --git a/test/unit-test/FreeRTOS_TCP_Reception/FreeRTOS_TCP_Reception_utest.c b/test/unit-test/FreeRTOS_TCP_Reception/FreeRTOS_TCP_Reception_utest.c
index c626a522c..a12479374 100644
--- a/test/unit-test/FreeRTOS_TCP_Reception/FreeRTOS_TCP_Reception_utest.c
+++ b/test/unit-test/FreeRTOS_TCP_Reception/FreeRTOS_TCP_Reception_utest.c
@@ -786,7 +786,7 @@ void test_prvCheckRxData_URG_On( void )
     TEST_ASSERT_EQUAL( 4, result );
 }
 
-/* Test for prvStorexData function. */
+/* Test for prvStoreRxData function. */
 void test_prvStoreRxData_Happy_Path( void )
 {
     int32_t result;
@@ -827,7 +827,7 @@ void test_prvStoreRxData_Happy_Path( void )
     TEST_ASSERT_EQUAL( 0, xResult );
 }
 
-/* Test for prvStorexData function. */
+/* Test for prvStoreRxData function. */
 void test_prvStoreRxData_Wrong_State( void )
 {
     int32_t result;
@@ -859,7 +859,7 @@ void test_prvStoreRxData_Wrong_State( void )
     TEST_ASSERT_EQUAL( 0, xResult );
 }
 
-/* Test for prvStorexData function. */
+/* Test for prvStoreRxData function. */
 void test_prvStoreRxData_Zero_Length( void )
 {
     int32_t result;
@@ -901,7 +901,7 @@ void test_prvStoreRxData_Zero_Length( void )
 }
 
 
-/* Test for prvStorexData function. */
+/* Test for prvStoreRxData function. */
 void test_prvStoreRxData_Null_RxStream( void )
 {
     int32_t result;
@@ -938,7 +938,7 @@ void test_prvStoreRxData_Null_RxStream( void )
     TEST_ASSERT_EQUAL( -1, xResult );
 }
 
-/* Test for prvStorexData function. */
+/* Test for prvStoreRxData function. */
 void test_prvStoreRxData_Negative_Offset( void )
 {
     int32_t result;
@@ -975,7 +975,7 @@ void test_prvStoreRxData_Negative_Offset( void )
     TEST_ASSERT_EQUAL( 0, xResult );
 }
 
-/* Test for prvStorexData function. */
+/* Test for prvStoreRxData function. */
 void test_prvStoreRxData_None_Zero_Skipcount( void )
 {
     int32_t result;