diff --git a/xbanan/main.cpp b/xbanan/main.cpp
index bf9d7d0..b5d1d41 100644
--- a/xbanan/main.cpp
+++ b/xbanan/main.cpp
@@ -8,6 +8,7 @@
 #include <signal.h>
 #include <sys/epoll.h>
 #include <sys/stat.h>
+#include <unistd.h>
 
 #define USE_UNIX_SOCKET 0