diff --git a/i386/legacy-boot/src-asm/drivers/pci/driver.asm b/i386/legacy-boot/src-asm/drivers/pci/driver.asm
index 3be6296..0d1a92f 100755
--- a/i386/legacy-boot/src-asm/drivers/pci/driver.asm
+++ b/i386/legacy-boot/src-asm/drivers/pci/driver.asm
@@ -34,7 +34,7 @@ initialize_pci_driver:
 
     push ebp
     mov ebp, esp
-    push ebx
+    push dword PCI_DEVICE_COUNT_OFFSET
     push dword 2
     push dword 0
     push dword 0
diff --git a/i386/legacy-boot/src-asm/drivers/pci/enumerate.asm b/i386/legacy-boot/src-asm/drivers/pci/enumerate.asm
index e5d7d2c..0b69b45 100755
--- a/i386/legacy-boot/src-asm/drivers/pci/enumerate.asm
+++ b/i386/legacy-boot/src-asm/drivers/pci/enumerate.asm
@@ -190,11 +190,12 @@ pci_enumerate_bus:
 
     mov         [esi + (64 - 8)],       ebx
     mov         [esi + (64 - 12)],      ecx
+    mov         [esi + (64 - 16)],      edx
     mov         [esi + (64 - 20)],      edi
     ; [esi]:        Device-in-bus Index
     ; [esi + 4]:    Number of existing devices
     ; [esi + 8]:    Bus number
-    ; [esi + 12]:   
+    ; [esi + 12]:   PCI driver area pointer
     mov         [esi],                  dword 0
     mov         [esi + 4],              dword 0
     mov         eax,                    [ebp - 8]
@@ -259,6 +260,7 @@ pci_enumerate_bus:
 .epilog:
     mov         ebx,                    [esi + (64 - 8)]
     mov         ecx,                    [esi + (64 - 12)]
+    mov         edx,                    [esi + (64 - 16)]
     mov         edi,                    [esi + (64 - 20)]
 
     mov         eax,                    [esi + 4]
@@ -313,7 +315,6 @@ pci_enumerate:
     cmp         edx,                    [ebp - 8]
     jae         .epilog
 
-
 .call_bus_enumerator:
     push        ebp
     mov         ebp,                    esp