diff --git a/sys/bsm/audit_record.h b/sys/bsm/audit_record.h
index f149d884c2a..123fdf9024b 100644
--- a/sys/bsm/audit_record.h
+++ b/sys/bsm/audit_record.h
@@ -37,6 +37,8 @@
 #ifndef _BSM_AUDIT_RECORD_H_
 #define _BSM_AUDIT_RECORD_H_
 
+#include <sys/time.h>			/* struct timeval */
+
 /*
  * Token type identifiers.
  */