diff --git a/clusters/yc-k8s-test/infrastructure/bootstrap-jobs/service-bootstrap-jobs.yaml b/clusters/yc-k8s-test/infrastructure/bootstrap-jobs/service-bootstrap-jobs.yaml
index e7f9a81..e4dfd7b 100644
--- a/clusters/yc-k8s-test/infrastructure/bootstrap-jobs/service-bootstrap-jobs.yaml
+++ b/clusters/yc-k8s-test/infrastructure/bootstrap-jobs/service-bootstrap-jobs.yaml
@@ -263,8 +263,9 @@ spec:
                     "default.api.timeout.ms=60000" \
                     "request.timeout.ms=60000" \
                     > "${admin_props}"
-                  kubectl -n kafka exec "${target_pod}" -c kafka -- /bin/bash -lc 'cat > /tmp/admin.properties' < "${admin_props}"
+                  kubectl -n kafka exec -i "${target_pod}" -c kafka -- /bin/bash -lc 'cat > /tmp/admin.properties' < "${admin_props}"
                   rm -f "${admin_props}"
+                  kubectl -n kafka exec "${target_pod}" -c kafka -- /bin/bash -lc 'test -s /tmp/admin.properties'
 
                   for app in $(echo "${list_json}" | jq -r '.data.keys[]?' | sed 's#/$##'); do
                     app_json="$(curl -sS -H "X-Vault-Token: ${VAULT_TOKEN}" "${VAULT_ADDR}/v1/secrets/data/kafka/apps/${app}")"