main.cpp |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/main.cpp b/main.cpp
index 3040b9d..2d807ed 100644
--- a/main.cpp
+++ b/main.cpp
@@ -12,6 +12,7 @@
 #include <iostream>
 #include <string>
 #include <cstdlib>
+#include <unistd.h>
 using namespace std;
 
 #include "httpup.h"