diff --git a/src/southbridge/via/vt8237r/vt8237r.h b/src/southbridge/via/vt8237r/vt8237r.h
index 4e2484511e..d6c50053a6 100644
--- a/src/southbridge/via/vt8237r/vt8237r.h
+++ b/src/southbridge/via/vt8237r/vt8237r.h
@@ -104,6 +104,7 @@ __attribute__ ((packed))
 ;
 
 #ifndef __PRE_RAM__
+#include <device/device.h>
 void writeback(struct device *dev, u16 where, u8 what);
 void dump_south(device_t dev);
 #endif