diff --git a/kernel/trunk/network/loopback.inc b/kernel/trunk/network/loopback.inc
index f0147cc020..64ba77b0eb 100644
--- a/kernel/trunk/network/loopback.inc
+++ b/kernel/trunk/network/loopback.inc
@@ -127,6 +127,7 @@ LOOP_output:
         ja      .too_large
 
         push    ecx edi
+        add     ecx, NET_BUFF.data
         stdcall NET_BUFF_alloc, ecx
         test    eax, eax
         jz      .out_of_ram
diff --git a/kernel/trunk/network/stack.inc b/kernel/trunk/network/stack.inc
index 49c1bf06ae..2e3c09065e 100644
--- a/kernel/trunk/network/stack.inc
+++ b/kernel/trunk/network/stack.inc
@@ -344,13 +344,11 @@ stack_handler:
 
 align 4
 NET_BUFF_alloc:
-        add     dword[esp+4], NET_BUFF.data
         jmp     kernel_alloc
 
 
 align 4
 NET_BUFF_free:
-        and     dword[esp+4], not 0xfff
         jmp     kernel_free