diff --git a/kernel/trunk/network/tcp_input.inc b/kernel/trunk/network/tcp_input.inc
index 8ff26c2aeb..ff65dd889c 100644
--- a/kernel/trunk/network/tcp_input.inc
+++ b/kernel/trunk/network/tcp_input.inc
@@ -1455,10 +1455,9 @@ align 4
         jnz     @f
 
         test    ecx, ecx
-        jnz     .final_processing
+        jz      .final_processing
        @@:
 
-
 ; The segment is in order?
         mov     eax, [edx + TCP_header.SequenceNumber]
         cmp     eax, [ebx + TCP_SOCKET.RCV_NXT]