1 files changed, 1 insertions, 0 deletions

diff --git a/xidle.c b/xidle.c
index c2794fc..4d0ebd4 100644
--- a/xidle.c
+++ b/xidle.c
@@ -1,4 +1,5 @@
 #include <stdio.h>
+#include <stdlib.h>
 #include <stdbool.h>
 #include <X11/Xlib.h>
 #include <X11/extensions/scrnsaver.h>