diff --git a/lib/libcam/scsi_cmdparse.c b/lib/libcam/scsi_cmdparse.c
index f0cb724bb664..3d977e10ad83 100644
--- a/lib/libcam/scsi_cmdparse.c
+++ b/lib/libcam/scsi_cmdparse.c
@@ -37,6 +37,8 @@
 #include <sys/cdefs.h>
 __FBSDID("$FreeBSD$");
 
+#include <sys/types.h>
+
 #include <stdlib.h>
 #include <stdio.h>
 #include <ctype.h>