diff --git a/drivers/scsi/isci/request.h b/drivers/scsi/isci/request.h
index 89d8b0a..06786ec 100644
--- a/drivers/scsi/isci/request.h
+++ b/drivers/scsi/isci/request.h
@@ -57,6 +57,7 @@
 #define _ISCI_REQUEST_H_
 
 #include "isci.h"
+#include "host.h"
 #include "scic_sds_request.h"
 
 /**