diff --git a/launch.bat b/launch.bat
index b2b33e0..196f74c 100755
--- a/launch.bat
+++ b/launch.bat
@@ -56,14 +56,17 @@ setx TEST_DB_HOST localhost
 setx TEST_DB_PASSWORD ""
 setx TEST_DB_DATABASE %d%
 setx TEST_DB_PORT 3306
+setx TEST_DB_ADD_PORT 3405
 setx TEST_REQUIRE_TLS 0
 
+
 REM setx does not change current env.
 set TEST_DB_USER=root
 set TEST_DB_HOST=localhost
 set TEST_DB_PASSWORD=
 set TEST_DB_DATABASE=%d%
 set TEST_DB_PORT=3306
+set TEST_DB_ADD_PORT=3405
 set TEST_REQUIRE_TLS=0
 
 
@@ -72,6 +75,7 @@ echo export TEST_DB_HOST=localhost >> settestenv.sh
 echo export TEST_DB_PASSWORD= >> settestenv.sh
 echo export TEST_DB_DATABASE=%d% >> settestenv.sh
 echo export TEST_DB_PORT=3306 >> settestenv.sh
+echo export TEST_DB_ADD_PORT=3405 >> settestenv.sh
 echo export TEST_REQUIRE_TLS=0 >> settestenv.sh
 
 dir .
diff --git a/launch.sh b/launch.sh
index 1d2fe12..4c90d1e 100755
--- a/launch.sh
+++ b/launch.sh
@@ -142,6 +142,7 @@ install_repo () {
 install_local () {
   echo "install local version"
   if [ "$TRAVIS_OS_NAME" == "linux" ] ; then
+    export TEST_DB_ADD_PORT=3405
     sudo apt update
     echo "mariadb-server-${VERSION} mysql-server/root_password password ${TEST_DB_PASSWORD}" | sudo debconf-set-selections
     echo "mariadb-server-${VERSION} mysql-server/root_password_again password ${TEST_DB_PASSWORD}" | sudo debconf-set-selections
@@ -247,6 +248,7 @@ launch_docker () {
   echo "launch docker"
   export TEST_REQUIRE_TLS=0
   export TEST_DB_PORT=3305
+  export TEST_DB_ADD_PORT=3405
   export ENTRYPOINT=$PROJ_PATH/travis/sql
   export ENTRYPOINT_PAM=$PROJ_PATH/travis/pam
   if [ "$TYPE" == 'mariadb-es' ] || [ "$TYPE" == 'mariadb-es-test' ]; then
@@ -257,6 +259,7 @@ launch_docker () {
   export PACKET_SIZE_VAL="${PACKET_SIZE}M"
   export INNODB_LOG_FILE_SIZE="${PACKET_SIZE}0M"
 
+  export ADDITIONAL_CONF="--extra-port=3405"
   if [ "$TYPE" == mysql ] ; then
     echo "configuring mysql additional type"
 
diff --git a/travis/unix.cnf b/travis/unix.cnf
index 9f70092..71ff46b 100644
--- a/travis/unix.cnf
+++ b/travis/unix.cnf
@@ -7,3 +7,4 @@ ssl_cert=/etc/ssl/mariadb/server.pem
 ssl_key=/etc/ssl/mariadb/server.key
 local_infile=1
 log_error=mariadb.err
+extra_port=3405
\ No newline at end of file
diff --git a/travis/unix_no_ssl.cnf b/travis/unix_no_ssl.cnf
index d922d3e..c74ee72 100644
--- a/travis/unix_no_ssl.cnf
+++ b/travis/unix_no_ssl.cnf
@@ -4,3 +4,4 @@ character_set_server=utf8mb4
 collation_server=utf8mb4_unicode_ci
 local_infile=1
 log_error=mariadb.err
+extra_port=3405
diff --git a/travis/win.cnf b/travis/win.cnf
index 92df797..079095b 100644
--- a/travis/win.cnf
+++ b/travis/win.cnf
@@ -6,3 +6,4 @@ character_set_server=utf8mb4
 collation_server=utf8mb4_unicode_ci
 enable-named-pipe
 socket=namedpipe
+extra_port=3405
\ No newline at end of file