diff --git a/kernel/trunk/bus/pci/pci32.inc b/kernel/trunk/bus/pci/pci32.inc
index 44cc4595c3..0ee7f0b1b6 100644
--- a/kernel/trunk/bus/pci/pci32.inc
+++ b/kernel/trunk/bus/pci/pci32.inc
@@ -57,23 +57,25 @@ endg
 align 4
 
 pci_api:
-	cmp  [pci_access_enabled],1
-	jne  pci_service_not_supported
 
 ;cross
-    push eax
-	mov	eax,ebx
+    mov eax,ebx
 	mov	ebx,ecx
 	mov	ecx,edx
-    pop edx
-	movzx	edx, dl
-;;;;;;;;;;;;;;;;;;;
+
+align 4
+pci_api_drv:
+
+    cmp  [pci_access_enabled],1
+    jne  pci_service_not_supported
+
+    movzx   edx, al
 
 if defined mmio_pci_addr
-    cmp dl, 13
+    cmp al, 13
 	ja pci_service_not_supported
 else
-    cmp dl, 10
+    cmp al, 10
 	ja pci_service_not_supported
 end if
 
diff --git a/kernel/trunk/core/exports.inc b/kernel/trunk/core/exports.inc
index cc8c716e6f..b2c6a06de2 100644
--- a/kernel/trunk/core/exports.inc
+++ b/kernel/trunk/core/exports.inc
@@ -99,7 +99,7 @@ kernel_export:
   dd szMutexLock       , mutex_lock            ;gcc fastcall
   dd szMutexUnlock     , mutex_unlock          ;gcc fastcall
 
-  dd szPciApi          , pci_api
+  dd szPciApi          , pci_api_drv
   dd szPciRead32       , pci_read32
   dd szPciRead16       , pci_read16
   dd szPciRead8        , pci_read8
diff --git a/kernel/trunk/core/peload.inc b/kernel/trunk/core/peload.inc
index 4b399a9e2f..d0c844cd57 100644
--- a/kernel/trunk/core/peload.inc
+++ b/kernel/trunk/core/peload.inc
@@ -306,7 +306,7 @@ __exports:
 \
           get_display,           'GetDisplay',         \
           set_screen,            'SetScreen',          \
-          pci_api,               'PciApi',             \
+          pci_api_drv,           'PciApi',             \
           pci_read8,             'PciRead8',           \      ; stdcall
           pci_read16,            'PciRead16',          \      ; stdcall
           pci_read32,            'PciRead32',          \      ; stdcall