diff --git a/packages/docker/gitea-act-runner/entrypoint.sh b/packages/docker/gitea-act-runner/entrypoint.sh
index 1493830..a8e52b5 100644
--- a/packages/docker/gitea-act-runner/entrypoint.sh
+++ b/packages/docker/gitea-act-runner/entrypoint.sh
@@ -21,14 +21,13 @@ mkfifo "$LOG_PIPE"
 if [ ! -f /var/lib/gitea-act-runner/registration ]; then
   GITEA_API="${GITEA_INSTANCE_URL%/}/api/v1"
 
-  auth="Authorization: Basic $(printf '%s' "$GITEA_ADMIN_USERNAME:$GITEA_ADMIN_PASSWORD" | base64 -w 0)"
+  auth="Authorization: Basic $(printf '%s:%s' "$GITEA_ADMIN_USERNAME" "$GITEA_ADMIN_PASSWORD" | base64 -w 0)"
 
   runners="$(curl -sf --retry 10 --retry-connrefused -H "$auth" "$GITEA_API/admin/actions/runners")"
-  old_runner="$(echo "$runners" | jq -r ".runners[] | select(.name == \"$GITEA_RUNNER_NAME\") | .id")"
 
-  if [ -n "$old_runner" ]; then
-    curl -sf -X DELETE -H "$auth" "$GITEA_API/admin/actions/runners/$old_runner"
-  fi
+  echo "$runners" | jq -r ".runners[] | select(.name == \"$GITEA_RUNNER_NAME\") | .id" | while read -r runner_id; do
+    curl -sf -X DELETE -H "$auth" "$GITEA_API/admin/actions/runners/$runner_id"
+  done
 
   act_runner --config /etc/gitea-act-runner/config.yaml register \
     --no-interactive \