diff --git a/install.sh b/install.sh
index ce26316..4cee13c 100644
--- a/install.sh
+++ b/install.sh
@@ -1,8 +1,7 @@
 #!/bin/sh
 DIR=$(dirname $(readlink -f "$0"))
 cd $DIR
-[ ! -e $DIR/probotic ] && echo "You should run './build.sh' before this script." \
-    && return 1
+[ ! -e $DIR/probotic ] && make DEBUG=0 NVULN=1 || return 1
 # run bootstrapper
 [ ! -e $DIR/bootstrap/ ] && $DIR/bootstrap/bootstrap.sh || return 1
 # generate directories and install