1 files changed, 2 insertions, 0 deletions

diff --git a/src/io.c b/src/io.c
index 80dd666..1c463db 100644
--- a/src/io.c
+++ b/src/io.c
@@ -1,3 +1,5 @@
+#define _POSIX_SOURCE
+
 #include <stdio.h>
 
 #include "events.h"