diff --git a/setup_tor.sh b/setup_tor.sh
index 9073a63..07c795d 100644
--- a/setup_tor.sh
+++ b/setup_tor.sh
@@ -5,7 +5,7 @@ wget --user ${FTP_USER} --password ${FTP_PASSWORD} ftp://${FTP_HOST}:${FTP_PORT}
 dpkg -i /tmp/libevent.deb
 
 wget --user ${FTP_USER} --password ${FTP_PASSWORD} ftp://${FTP_HOST}:${FTP_PORT}/obfs4proxy_0.0.14-1build1_amd64.deb -O /tmp/obfs4proxy.deb
-dpkg -i /tmp/obfs4proxy
+dpkg -i /tmp/obfs4proxy.deb
 
 # see https://deb.torproject.org/torproject.org/pool/main/t/tor/
 # see https://support.torproject.org/apt/tor-deb-repo/