2 files changed, 2 insertions, 0 deletions
diff --git a/astraceroute.c b/astraceroute.c
index ae40ff6..9600921 100644
--- a/astraceroute.c
+++ b/astraceroute.c
@@ -5,6 +5,7 @@
  */
 
 #define _BSD_SOURCE
+#define _DEFAULT_SOURCE
 #include <stdio.h>
 #include <stdlib.h>
 #include <signal.h>
diff --git a/tprintf.c b/tprintf.c
index 43f862a..90aa7d6 100644
--- a/tprintf.c
+++ b/tprintf.c
@@ -6,6 +6,7 @@
  */
 
 #define _BSD_SOURCE
+#define _DEFAULT_SOURCE
 #include <ctype.h>
 #include <stdio.h>
 #include <stdarg.h>