diff --git a/src/northbridge/intel/gm45/iommu.c b/src/northbridge/intel/gm45/iommu.c
index f424564..642c877 100644
--- a/src/northbridge/intel/gm45/iommu.c
+++ b/src/northbridge/intel/gm45/iommu.c
@@ -18,6 +18,7 @@
 #include <string.h>
 
 #include <arch/io.h>
+#include <device/pci_ops.h>
 #include <device/pci_def.h>
 #include <arch/acpi.h>