diff --git a/common/src/nx_tcp_server_socket_accept.c b/common/src/nx_tcp_server_socket_accept.c
index 04804a61e..e0059cd9d 100644
--- a/common/src/nx_tcp_server_socket_accept.c
+++ b/common/src/nx_tcp_server_socket_accept.c
@@ -106,7 +106,8 @@ NX_IP *ip_ptr;
         if (socket_ptr -> nx_tcp_socket_tx_sequence == 0)
         {
             socket_ptr -> nx_tcp_socket_tx_sequence =  (((ULONG)NX_RAND()) << NX_SHIFT_BY_16) & 0xFFFFFFFF;
-            socket_ptr -> nx_tcp_socket_tx_sequence |= (ULONG)NX_RAND();
+            socket_ptr -> nx_tcp_socket_tx_sequence += (ULONG)NX_RAND();
+            socket_ptr -> nx_tcp_socket_tx_sequence &= 0xFFFFFFFF;
         }
         else
         {
diff --git a/common/src/nxd_tcp_client_socket_connect.c b/common/src/nxd_tcp_client_socket_connect.c
index 56b68f884..9c734ece8 100644
--- a/common/src/nxd_tcp_client_socket_connect.c
+++ b/common/src/nxd_tcp_client_socket_connect.c
@@ -411,7 +411,8 @@ ULONG         ip_address_log = 0;
     if (socket_ptr -> nx_tcp_socket_tx_sequence == 0)
     {
         socket_ptr -> nx_tcp_socket_tx_sequence =  (((ULONG)NX_RAND()) << NX_SHIFT_BY_16) & 0xFFFFFFFF;
-        socket_ptr -> nx_tcp_socket_tx_sequence |= (ULONG)NX_RAND();
+        socket_ptr -> nx_tcp_socket_tx_sequence += (ULONG)NX_RAND();
+        socket_ptr -> nx_tcp_socket_tx_sequence &= 0xFFFFFFFF;
     }
     else
     {