diff --git a/src/warden-client/sh/update.sh b/src/warden-client/sh/update.sh
index 344519a6fc262740c72fea729da8bdd25e866006..64bfc280ce5dd74e393069ccd4af5fb680ded375 100755
--- a/src/warden-client/sh/update.sh
+++ b/src/warden-client/sh/update.sh
@@ -188,7 +188,7 @@ backup()
 		echo "OK"
 	else
 		err
-	fi
+fi
 }
 
 
@@ -309,18 +309,17 @@ params_chck
 
 # create variables
 dirname=`dirname $0`
-package_version=`cat $dirname/warden-client/etc/package_version`
+package_version=`cat ${dirname}/warden-client/etc/package_version`
 [[ $prefix == */ ]] && prefix="${prefix%?}" # remove last char (slash) from prefix
-client_path="$prefix/warden-client"
-etc="$client_path/etc"
-old_package_version_file="$etc/package_version"
-conf_file="$etc/warden-client.conf"
+client_path="${prefix}/warden-client"
+etc="${client_path}/etc"
+old_package_version_file="${etc}/package_version"
+conf_file="${etc}/warden-client.conf"
 err="/tmp/warden-err"
 backup_dir="/tmp/warden-backup"
 
 # obtain version of old warden client
-#obtain_package_version		# ENABLE for next client package
-old_package_version="warden-client-1.0.0"
+obtain_package_version
 
 echo
 echo "------------------------- Dependencies check-in -------------------------"