diff --git a/include/linux/if_hippi.h b/include/linux/if_hippi.h
index f0f23516bb59..4a7c9940b080 100644
--- a/include/linux/if_hippi.h
+++ b/include/linux/if_hippi.h
@@ -22,6 +22,7 @@
 #ifndef _LINUX_IF_HIPPI_H
 #define _LINUX_IF_HIPPI_H
 
+#include <linux/types.h>
 #include <asm/byteorder.h>
 
 /*