diff --git a/include/linux/if_fddi.h b/include/linux/if_fddi.h
index 4aba6b0..ae77dae 100644
--- a/include/linux/if_fddi.h
+++ b/include/linux/if_fddi.h
@@ -24,6 +24,8 @@
 #ifndef _LINUX_IF_FDDI_H
 #define _LINUX_IF_FDDI_H
 
+#include <linux/types.h>
+
 /*
  *  Define max and min legal sizes.  The frame sizes do not include
  *  4 byte FCS/CRC (frame check sequence).