diff --git a/sem-service b/sem-service
index fd58849e..85d2640a 100755
--- a/sem-service
+++ b/sem-service
@@ -219,11 +219,12 @@ service::start_elasticsearch() {
 }
 
 service::start_opensearch() {
-  service_version="${1:-2}"
+  service_version=$1
   local service_image="${registry_host}/opensearch"
 
+  docker_cmd=$(echo "$2"|base64 -d )
   service::pull_image "$service_image:$service_version"
-  docker_output=$(docker run --net=host --rm --name opensearch -e "discovery.type=single-node" -d "$service_image":"$service_version")
+  docker_output=$(bash -c "$docker_cmd $service_image:$service_version")
   # run only if previous command exited successfully
   docker_status=$(sem-dockerize 9200 opensearch)
   if [ "$docker_status" == "0" ]; then
@@ -348,9 +349,9 @@ service::start() {
       ;;
     "opensearch" )
       shift
-      service_version="${service_version:-2}"
-      service::check_version 'opensearch' "${service_version%% *}"
-      service::duration service::start_opensearch "${service_version}" total "${service_name}"
+      IFS=" " read -r -a version_and_args <<< "$(sem-service-check-params opensearch "$@")"
+      service::check_version 'opensearch' "${version_and_args[0]}"
+      service::duration service::start_opensearch "${version_and_args[@]}" total "${service_name}"
       exit 0
       ;;
     "rabbitmq" )
@@ -506,6 +507,7 @@ service::print_usage() {
   echo "memcached (default: 1.5), available versions: ${sem_services['memcached']}"
   echo "mongodb (default: 4.1), available versions: ${sem_services['mongo']}"
   echo "elasticsearch (default: 6.5), available versions: ${sem_services['elasticsearch']}"
+  echo "opensearch (default: 2), available versions: ${sem_services['opensearch']}"
   echo "cassandra (default: 3.11), available versions: ${sem_services['cassandra']}"
   echo "rethinkdb (default: 2.3), available versions: ${sem_services['rethinkdb']}"
 }
diff --git a/sem-service-check-params b/sem-service-check-params
index a833b10e..55fb66c6 100644
--- a/sem-service-check-params
+++ b/sem-service-check-params
@@ -186,6 +186,19 @@ params-check::elasticsearch () {
   echo "$service_version $default_params"
 }
 
+params-check::opensearch () {
+  local defaultEnv="-e 'discovery.type=single-node'"
+
+  service_version="2"
+  if [ "${1:0:1}" != "-" ];then
+    service_version="${1:-$service_version}"
+    shift
+  fi
+  defaultEnv="$defaultEnv $*"
+  default_params=$(echo "docker run --net=host --rm --name opensearch -d $defaultEnv "|base64 --wrap=0)
+  echo "$service_version $default_params"
+}
+
 params-check::main () {
   case "$1" in
     "mysql" )
@@ -212,6 +225,10 @@ params-check::main () {
       shift
       params-check::elasticsearch $@
       ;;
+    "opensearch" )
+      shift
+      params-check::opensearch $@
+      ;;
     * )
       shift
       echo "$@"