diff --git a/lib/libdevstat/devstat.c b/lib/libdevstat/devstat.c
index 09524cc71747..0cdbd5aee463 100644
--- a/lib/libdevstat/devstat.c
+++ b/lib/libdevstat/devstat.c
@@ -33,6 +33,7 @@ __FBSDID("$FreeBSD$");
 #include <sys/sysctl.h>
 #include <sys/errno.h>
 #include <sys/dkstat.h>
+#include <sys/resource.h>
 #include <sys/queue.h>
 
 #include <ctype.h>