diff --git a/src/switch.c b/src/switch.c
index 7256058425..ebc18e9149 100644
--- a/src/switch.c
+++ b/src/switch.c
@@ -34,7 +34,7 @@
  */
 
 #ifndef _XOPEN_SOURCE
-#define _XOPEN_SOURCE 500
+#define _XOPEN_SOURCE 600
 #endif
 
 #include <switch.h>