1 files changed, 2 insertions, 0 deletions
diff --git a/lib/socket.h b/lib/socket.h
index d3fd745..82b5de0 100644
--- a/lib/socket.h
+++ b/lib/socket.h
@@ -9,6 +9,8 @@
 #ifndef _BIRD_SOCKET_H_
 #define _BIRD_SOCKET_H_
 
+#include <errno.h>
+
 #include "lib/resource.h"
 
 typedef struct birdsock {