diff --git a/liblash/lash.c b/liblash/lash.c
index b47251d..f2a5095 100644
--- a/liblash/lash.c
+++ b/liblash/lash.c
@@ -22,6 +22,7 @@
 #include <string.h>
 #include <strings.h>
 #include <pthread.h>
+#include <sys/resource.h>
 #include <sys/types.h>
 #include <sys/wait.h>
 #include <sys/socket.h>