diff --git a/.woodpecker/provision-user.yml b/.woodpecker/provision-user.yml
index 6dddf719..e44942ce 100644
--- a/.woodpecker/provision-user.yml
+++ b/.woodpecker/provision-user.yml
@@ -13,15 +13,15 @@ steps:
     image: alpine
     commands:
       - |
-        if [ -z "${CI_PIPELINE_VARIABLE_USERNAME}" ] || [ -z "${CI_PIPELINE_VARIABLE_EMAIL}" ]; then
+        if [ -z "$CI_PIPELINE_VARIABLE_USERNAME" ] || [ -z "$CI_PIPELINE_VARIABLE_EMAIL" ]; then
           echo "ERROR: USERNAME and EMAIL variables are required"
           echo "Trigger with: POST /api/repos/{id}/pipelines {branch:master, variables:{USERNAME:x, EMAIL:y}}"
           exit 1
         fi
-        echo "Provisioning user: ${CI_PIPELINE_VARIABLE_USERNAME} (${CI_PIPELINE_VARIABLE_EMAIL})"
+        echo "Provisioning user: $CI_PIPELINE_VARIABLE_USERNAME ($CI_PIPELINE_VARIABLE_EMAIL)"
         # Write vars to shared file for subsequent steps
-        echo "export PROVISION_USERNAME=${CI_PIPELINE_VARIABLE_USERNAME}" > .provision-env
-        echo "export PROVISION_EMAIL=${CI_PIPELINE_VARIABLE_EMAIL}" >> .provision-env
+        echo "export PROVISION_USERNAME=$CI_PIPELINE_VARIABLE_USERNAME" > .provision-env
+        echo "export PROVISION_EMAIL=$CI_PIPELINE_VARIABLE_EMAIL" >> .provision-env
 
   - name: prepare
     image: alpine
@@ -187,7 +187,7 @@ steps:
     commands:
       - |
         curl -s -X POST -H 'Content-type: application/json' \
-          --data "{\"channel\":\"general\",\"text\":\"Woodpecker CI: User provisioning for ${CI_PIPELINE_VARIABLE_USERNAME:-unknown} ${CI_PIPELINE_STATUS}\"}" \
+          --data "{\"channel\":\"general\",\"text\":\"Woodpecker CI: User provisioning $CI_PIPELINE_STATUS\"}" \
           "$SLACK_WEBHOOK" || true
     environment:
       SLACK_WEBHOOK: