diff --git a/kernel/pci/ata/ata.c b/kernel/pci/ata/ata.c
index 4c25076..9e411aa 100644
--- a/kernel/pci/ata/ata.c
+++ b/kernel/pci/ata/ata.c
@@ -29,6 +29,9 @@
 
 void pci_ata_init(void) {
   PciDev dev = pci_getdev(0x8086, 0x7010, -1);
+  if (!dev.bits) {
+    return;
+  }
 
   static const char *progif_msg[] = {
     [0x00] = "ISA Compatibility mode-only controller",