diff --git a/api/server/unix_socket.go b/api/server/unix_socket.go
index 157005da6f..c3c657077e 100644
--- a/api/server/unix_socket.go
+++ b/api/server/unix_socket.go
@@ -1,3 +1,5 @@
+// +build linux
+
 package server
 
 import (