diff --git a/kernel/busses/i2c-via.c b/kernel/busses/i2c-via.c
index 8c8fb8fe..bdefac83 100644
--- a/kernel/busses/i2c-via.c
+++ b/kernel/busses/i2c-via.c
@@ -35,6 +35,7 @@
 
 #include "i2c.h"
 #include "algo-bit.h"
+#include "compat.h"
 
 /* PCI device */
 #define VENDOR		PCI_VENDOR_ID_VIA