diff --git a/install.sh b/install.sh
index 35106ba..0166b5c 100644
--- a/install.sh
+++ b/install.sh
@@ -469,7 +469,7 @@ EOF
                     sed -i "s/enginegp_db/$dbEgpSQL/g" /var/www/enginegp/.env >> $logsINST 2>&1
                     sed -i "s/enginegp_usr/$usrEgpSQL/g" /var/www/enginegp/.env >> $logsINST 2>&1
                     sed -i "s/enginegp_pwd/$passEgpSQL/g" /var/www/enginegp/.env >> $logsINST 2>&1
-                    sed -i "s/ENGINEGPHASH/$usrEgpHASH/g" /var/www/enginegp/enginegp.sql >> $logsINST 2>&1
+                    sed -i "s/ENGINEGPHASH/$(echo "$usrEgpHASH" | sed 's/[\/&]/\\&/g')/g" /var/www/enginegp/enginegp.sql >> $logsINST 2>&1
                     mysql -u $usrEgpSQL -p$passEgpSQL $dbEgpSQL < /var/www/enginegp/enginegp.sql >> $logsINST 2>&1
                 else
                     echo "===================================" >> $logsINST 2>&1