diff --git a/install.sh b/install.sh
index e026c46..f11ccc3 100755
--- a/install.sh
+++ b/install.sh
@@ -3,6 +3,7 @@ set -e
 if [ -e /tmp/proxy ]; then
     rm -rf /tmp/proxy
 fi
+mkdir /tmp/proxy
 cd /tmp/proxy
 # install monexec
 tar zxvf monexec_0.1.1_linux_amd64.tar.gz