diff --git a/src/ide.js b/src/ide.js
index 8d83dbe8..5d7cd783 100644
--- a/src/ide.js
+++ b/src/ide.js
@@ -83,8 +83,8 @@ function IDEDevice(cpu, master_buffer, slave_buffer, is_cd, nr, bus)
     this.pci_space = [
         0x86, 0x80, 0x10, 0x70, 0x05, 0x00, 0xA0, 0x02,
         0x00, 0x80, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00,
-        0 | 1, 0, 0x00, 0x00,
-        0 | 1, 0, 0x00, 0x00,
+        this.ata_port & 0xFF | 1, this.ata_port >> 8, 0x00, 0x00,
+        this.ata_port_high & 0xFF | 1, this.ata_port_high >> 8, 0x00, 0x00,
         0x00, 0x00, 0x00, 0x00, // second device
         0x00, 0x00, 0x00, 0x00, // second device
         this.master_port & 0xFF | 1,   this.master_port >> 8, 0x00, 0x00,