diff --git a/kernel/trunk/network/IPv4.inc b/kernel/trunk/network/IPv4.inc
index fd770848ef..70805df030 100644
--- a/kernel/trunk/network/IPv4.inc
+++ b/kernel/trunk/network/IPv4.inc
@@ -922,10 +922,10 @@ IPv4_get_frgmnt_num:
 align 4
 IPv4_connect:
 
-        pusha
+        push    eax edx
         lea     ecx, [eax + SOCKET.mutex]
         call    mutex_lock
-        popa
+        pop     edx eax
 
 ; Fill in local IP
         cmp     [eax + IP_SOCKET.LocalIP], 0
@@ -937,8 +937,9 @@ IPv4_connect:
         pushd   [edx + 4]
         pop     [eax + IP_SOCKET.RemoteIP]
 
+; Set up data receiving queue
         push    eax
-        init_queue (eax + SOCKET_QUEUE_LOCATION)                ; Set up data receiving queue
+        init_queue (eax + SOCKET_QUEUE_LOCATION)
         pop     eax
 
         lea     ecx, [eax + SOCKET.mutex]
diff --git a/kernel/trunk/network/tcp_usreq.inc b/kernel/trunk/network/tcp_usreq.inc
index be947e710c..c1b45975f3 100644
--- a/kernel/trunk/network/tcp_usreq.inc
+++ b/kernel/trunk/network/tcp_usreq.inc
@@ -89,10 +89,10 @@ TCP_connect:
         test    [eax + SOCKET.state], SS_ISCONNECTED
         jnz     .eisconn
 
-        push    eax
+        push    eax edx
         lea     ecx, [eax + SOCKET.mutex]
         call    mutex_lock
-        pop     eax
+        pop     edx eax
 
 ; Fill in local IP
         cmp     [eax + IP_SOCKET.LocalIP], 0
diff --git a/kernel/trunk/network/udp.inc b/kernel/trunk/network/udp.inc
index 93874473ca..3485dd0a93 100644
--- a/kernel/trunk/network/udp.inc
+++ b/kernel/trunk/network/udp.inc
@@ -327,10 +327,10 @@ UDP_connect:
         call    UDP_disconnect
   @@:
 
-        push    eax
+        push    eax edx
         lea     ecx, [eax + SOCKET.mutex]
         call    mutex_lock
-        pop     eax
+        pop     edx eax
 
 ; Fill in local IP
         cmp     [eax + IP_SOCKET.LocalIP], 0