diff --git a/Jenkins/Jenkinsfile-Bundles b/Jenkins/Jenkinsfile-Bundles
index 563317536..46da2589d 100644
--- a/Jenkins/Jenkinsfile-Bundles
+++ b/Jenkins/Jenkinsfile-Bundles
@@ -44,7 +44,6 @@ pipeline {
     DISPLAY = ":0"
     JENKINS_BUILD_ID = "${BUILD_ID}"
     S3_DOWNLOAD_HOST = "${S3_DOWNLOAD_HOST}/v2"
-    S3_BUCKET_ACL = "--acl public-read"
   }
 
   stages {
@@ -363,7 +362,7 @@ pipeline {
         withCredentials([[credentialsId: "${S3_CREDENTIALS_ID}", accessKeyVariable: 'AWS_ACCESS_KEY_ID', secretKeyVariable: 'AWS_SECRET_ACCESS_KEY', $class: 'AmazonWebServicesCredentialsBinding']]) {
           dir("Jenkins") {
             sh """
-              UID=`id -u` docker-compose run --rm upload-bundles | tee ../upload-bundles.log
+              UID=`id -u` S3_BUCKET_ACL="--acl public-read" docker-compose run --rm upload-bundles | tee ../upload-bundles.log
               # exit PIPESTATUS[0] cannot be used because of:
               # groovy.lang.MissingPropertyException: No such property: PIPESTATUS for class: groovy.lang.Binding
               exit `grep ^upload.failed: ../upload-bundles.log | wc -l`
diff --git a/Jenkins/Jenkinsfile-Bundles-Release b/Jenkins/Jenkinsfile-Bundles-Release
index 7e839f6e5..9a055d8b9 100644
--- a/Jenkins/Jenkinsfile-Bundles-Release
+++ b/Jenkins/Jenkinsfile-Bundles-Release
@@ -46,7 +46,6 @@ pipeline {
     GIT_TAG = "${GIT_TAG}"
     S3_DOWNLOAD_HOST = "${S3_RELEASE_DOWNLOAD_HOST}"
     S3_BUCKET_NAME = "${S3_RELEASE_BUCKET_NAME}"
-    S3_BUCKET_ACL = ""
   }
 
   stages {
@@ -365,7 +364,7 @@ pipeline {
         withCredentials([[credentialsId: "${S3_CREDENTIALS_ID}", accessKeyVariable: 'AWS_ACCESS_KEY_ID', secretKeyVariable: 'AWS_SECRET_ACCESS_KEY', $class: 'AmazonWebServicesCredentialsBinding']]) {
           dir("Jenkins") {
             sh """
-              UID=`id -u` docker-compose run --rm upload-bundles | tee ../upload-bundles.log
+              UID=`id -u` S3_BUCKET_ACL="" docker-compose run --rm upload-bundles | tee ../upload-bundles.log
               # exit PIPESTATUS[0] cannot be used because of:
               # groovy.lang.MissingPropertyException: No such property: PIPESTATUS for class: groovy.lang.Binding
               exit `grep ^upload.failed: ../upload-bundles.log | wc -l`
diff --git a/Jenkins/build-bundles.sh b/Jenkins/build-bundles.sh
index 9752b9024..2cdb0f21e 100755
--- a/Jenkins/build-bundles.sh
+++ b/Jenkins/build-bundles.sh
@@ -89,7 +89,6 @@ function build_bundle {
     # Move the source for individual bundles from Assets/External-All to Assets/External
     # to prevent Unity importing all the available assets when we went to build just one
     # of them
-    BUNDLE=$(expr ${BUNDLE} + 1)
     echo "Building bundle (${BUNDLE}/${BUNDLES}) $*"
     if [ ! -d .external-assets/$1/$2 ] ; then
         echo "ERROR: Bundle source doesn't exist in .external-assets/$1/$2"
@@ -172,12 +171,14 @@ BUNDLE=0
 if [ ! -z ${SIM_ENVIRONMENTS+x} ]; then
     getAssets "${SIM_ENVIRONMENTS}"
     for A in ${ASSETS}; do
+        BUNDLE=$(expr ${BUNDLE} + 1)
         build_bundle Environments ${A} 2>&1 | tee -a unity-build-bundles-Environments.log
     done
 fi
 if [ ! -z ${SIM_VEHICLES+x} ]; then
     getAssets "${SIM_VEHICLES}"
     for A in ${ASSETS}; do
+        BUNDLE=$(expr ${BUNDLE} + 1)
         build_bundle Vehicles ${A} 2>&1 | tee -a unity-build-bundles-Vehicles.log
     done
 fi
@@ -185,6 +186,7 @@ fi
 if [ ! -z ${SIM_SENSORS+x} ]; then
     getAssets "${SIM_SENSORS}"
     for A in ${ASSETS}; do
+        BUNDLE=$(expr ${BUNDLE} + 1)
         build_bundle Sensors ${A} 2>&1 | tee -a unity-build-bundles-Sensors.log
     done
 fi
@@ -192,6 +194,7 @@ fi
 if [ ! -z ${SIM_BRIDGES+x} ]; then
     getAssets "${SIM_BRIDGES}"
     for A in ${ASSETS}; do
+        BUNDLE=$(expr ${BUNDLE} + 1)
         build_bundle Bridges ${A} 2>&1 | tee -a unity-build-bundles-Bridges.log
     done
 fi
diff --git a/Jenkins/upload-bundles-wise.sh b/Jenkins/upload-bundles-wise.sh
index d803598bc..b95ae252a 100755
--- a/Jenkins/upload-bundles-wise.sh
+++ b/Jenkins/upload-bundles-wise.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 #set -eu
 #set -x
diff --git a/Jenkins/upload-bundles.sh b/Jenkins/upload-bundles.sh
index a84e3e158..69e4883b4 100755
--- a/Jenkins/upload-bundles.sh
+++ b/Jenkins/upload-bundles.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 set -eu
 set -x
@@ -18,7 +18,7 @@ function uploadAssets()
   echo "$1" | while IFS= read -r LINE ; do
     local ID="${LINE%% *}"
     local NAME="${LINE#* }"
-    aws s3 cp ${S3_BUCKET_ACL} "${SOURCE_FOLDER}/${PREFIX}_${NAME}" s3://${S3_BUCKET_NAME}/v2/${ID}/
+    aws s3 cp ${S3_BUCKET_ACL=} "${SOURCE_FOLDER}/${PREFIX}_${NAME}" s3://${S3_BUCKET_NAME}/v2/${ID}/
   done
 }