diff --git a/ADconnection.sh b/ADconnection.sh
index 4995fc7..6c0f0c4 100755
--- a/ADconnection.sh
+++ b/ADconnection.sh
@@ -1816,7 +1816,7 @@ read -r ADMIN
        echo "${INTRO_TEXT}Detecting Ubuntu $var${END}"
           sleep 1
    clear
-if [ "$var -eq "19" ]
+if [ "$var" -eq "19" ]
 then
 echo "fixing krb5.keytab: Bad encryption type for ubuntu 19.10"
 sudo add-apt-repository ppa:aroth/ppa