1 files changed, 1 insertions, 1 deletions

diff --git a/gramscii.c b/gramscii.c
index 008adce..769832f 100644
--- a/gramscii.c
+++ b/gramscii.c
@@ -20,7 +20,7 @@
 *
 */
 
-#define _POSIX_C_SOURCE 2 
+#define _POSIX_C_SOURCE 200112L
 
 #include <stdio.h>
 #include <stdlib.h>