diff --git a/lib/libdevstat/devstat.h b/lib/libdevstat/devstat.h
index 61b8ccbe9777..7717cb1b5ec8 100644
--- a/lib/libdevstat/devstat.h
+++ b/lib/libdevstat/devstat.h
@@ -32,6 +32,7 @@
 #define _DEVSTAT_H
 #include <sys/cdefs.h>
 #include <sys/devicestat.h>
+#include <sys/resource.h>
 
 #include <kvm.h>