diff --git a/localtests/test.sh b/localtests/test.sh
index 04b88f11d..b5c794a2a 100755
--- a/localtests/test.sh
+++ b/localtests/test.sh
@@ -86,7 +86,7 @@ start_replication() {
   mysql_version="$(gh-ost-test-mysql-replica -e  "select @@version")"
   seconds_behind_source="Seconds_Behind_Master"
   replica_terminology="slave"
-  if [[ $mysql_version ==* "8.4" ]]; then
+  if [[ $mysql_version =~ "8.4" ]]; then
     gh-ost-test-mysql-replica -e "stop replica; start replica;"
     seconds_behind_source="Seconds_Behind_Source"
     replica_terminology="replica"
diff --git a/script/docker-gh-ost-replica-tests b/script/docker-gh-ost-replica-tests
index d2826ed9a..01136cafb 100755
--- a/script/docker-gh-ost-replica-tests
+++ b/script/docker-gh-ost-replica-tests
@@ -51,7 +51,7 @@ setup() {
     gh-ost-test-mysql-master -e "grant all on *.* to 'gh-ost'@'%';"
 
     sleep 1
-    if [[ $TEST_MYSQL_IMAGE ==* "mysql:8.4" ]]; then
+    if [[ $TEST_MYSQL_IMAGE =~ "mysql:8.4" ]]; then
         gh-ost-test-mysql-replica -e "change replication source to to source_host='mysql-primary', source_port=3307, source_user='repl', source_password='repl', source_auto_position=1;"
         gh-ost-test-mysql-replica -e "start replica;"
     else