diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 9ffb952..c503c7d 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -65,7 +65,7 @@ build_ubuntu_bionic_arm:
   after_script:
     - *prepare_artfacts
   script:
-    - bash GITLAB_SHARED_DIND_DIR=/tmp builder/build-package ubuntu bionic
+    - bash builder/build-package ubuntu bionic
   artifacts:
     paths:
       - output/
diff --git a/builder/build-tarball b/builder/build-tarball
index 5be8dd8..9169681 100755
--- a/builder/build-tarball
+++ b/builder/build-tarball
@@ -20,9 +20,9 @@ move_libjpeg_turbo_to_os_specific_dir() {
 }
 
 echo "GITLAB_SHARED_DIND_DIR= ${GITLAB_SHARED_DIND_DIR}"
-shared_with_docker_dir=${GITLAB_SHARED_DIND_DIR:-/tmp}
+shared_with_docker_dir="/tmp"
 # fall back to /tmp if not writable
-if [ ! -w "$GITLAB_SHARED_DIND_DIR" ]; then shared_with_docker_dir="/tmp"; fi
+#if [ ! -w "$GITLAB_SHARED_DIND_DIR" ]; then shared_with_docker_dir="/tmp"; fi
 echo "SHARED_WITH_DOCKER_DIR= ${shared_with_docker_dir}"
 
 cd "$(dirname "$0")/.."