diff --git a/arch/um/os-Linux/start_up.c b/arch/um/os-Linux/start_up.c
index da4b9e9999fd2640764c8a4afe0c11ca2f43bc3b..337518c5042a5cb4895e389202e6a4c5bc9654b2 100644
--- a/arch/um/os-Linux/start_up.c
+++ b/arch/um/os-Linux/start_up.c
@@ -15,6 +15,8 @@
 #include <sys/mman.h>
 #include <sys/stat.h>
 #include <sys/wait.h>
+#include <sys/time.h>
+#include <sys/resource.h>
 #include <asm/unistd.h>
 #include <init.h>
 #include <os.h>