diff --git a/tools/trasher.c b/tools/trasher.c
index baf1bc3f60..c7a0c7aa6a 100644
--- a/tools/trasher.c
+++ b/tools/trasher.c
@@ -18,6 +18,7 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
+#define _XOPEN_SOURCE 600
 #include <stdio.h>
 #include <stdlib.h>
 #include <time.h>