diff --git a/client.c b/client.c
index 34b12e72..f687cbd3 100644
--- a/client.c
+++ b/client.c
@@ -17,6 +17,7 @@
  */
 
 #include <sys/types.h>
+#include <sys/file.h>
 #include <sys/socket.h>
 #include <sys/stat.h>
 #include <sys/un.h>