diff --git a/src/network.c b/src/network.c
index 588ea5ae..a5a2375a 100644
--- a/src/network.c
+++ b/src/network.c
@@ -24,6 +24,7 @@
 #include <config.h>
 #endif
 
+#define _GNU_SOURCE
 #include <sys/types.h>
 #include <stdio.h>
 #include <errno.h>