diff --git a/openvidu-server/deployments/pro/docker-compose/openvidu-server-pro/cluster/aws/openvidu_launch_kms.sh b/openvidu-server/deployments/pro/docker-compose/openvidu-server-pro/cluster/aws/openvidu_launch_kms.sh
index 48b92bf7..87055b04 100644
--- a/openvidu-server/deployments/pro/docker-compose/openvidu-server-pro/cluster/aws/openvidu_launch_kms.sh
+++ b/openvidu-server/deployments/pro/docker-compose/openvidu-server-pro/cluster/aws/openvidu_launch_kms.sh
@@ -35,6 +35,14 @@ exit_on_error () {
   esac
 }
 
+# Check custom parameters
+if [[ -n "${CUSTOM_INSTANCE_TYPE}" ]]; then
+  AWS_INSTANCE_TYPE="${CUSTOM_INSTANCE_TYPE}"
+fi
+if [[ -n "${CUSTOM_VOLUME_SIZE}" ]]; then
+  AWS_VOLUME_SIZE="${CUSTOM_VOLUME_SIZE}"
+fi
+
 docker run --rm amazon/aws-cli:${AWS_CLI_DOCKER_TAG} ec2 run-instances \
     --image-id ${AWS_IMAGE_ID} --count 1 \
     --instance-type ${AWS_INSTANCE_TYPE} \