diff --git a/tools/install.sh b/tools/install.sh
index a313c75..4e4590b 100755
--- a/tools/install.sh
+++ b/tools/install.sh
@@ -12,7 +12,7 @@
 
 set -e
 
-if [ -d /proc/vz ] && [ ! -d /proc/vz/beancounter ]; then
+if [ -d /proc/vz ] && [ ! -d /proc/vz/beancounter ] && [ ! $DONTINSTALL ]; then
 	apt-get -yq install curl dialog git nano zsh
 else
 	if [ "$UID" != "0" ]; then CMD_PREFIX="sudo"; else CMD_PREFIX=""; fi