diff --git a/Jenkinsfile.ci b/Jenkinsfile.ci
index 118bed2..74ecf7f 100644
--- a/Jenkinsfile.ci
+++ b/Jenkinsfile.ci
@@ -116,18 +116,21 @@ post {
 
           def commentsUrl = "${giteaBase}/gitea/api/v1/repos/${owner}/${repo}/issues/${pr}/comments"
 
-          withCredentials([string(credentialsId: 'jenkins-bot-api', variable: 'GITEA_TOKEN')]) {
-            sh """
-              set -e
-              curl -sS -X POST \
-                -H "Authorization: token ${GITEA_TOKEN}" \
-                -H "Content-Type: application/json" \
-                --data @- \
-                '${commentsUrl}' <<'JSON'
-{"body":"${msg.replace('\\', '\\\\').replace('"','\\"')}"}
-JSON
-            """
-          }
+          withCredentials([usernamePassword(credentialsId: 'jenkins-bot-api',
+                                usernameVariable: 'GITEA_USER',
+                                passwordVariable: 'GITEA_TOKEN')]) {
+          sh """
+            set -e
+            curl -sS -X POST \
+              -H "Authorization: token ${GITEA_TOKEN}" \
+              -H "Content-Type: application/json" \
+              --data @- \
+              '${commentsUrl}' <<'JSON'
+              {"body":"${msg.replace('\\', '\\\\').replace('"','\\"')}"}
+              JSON
+          """
+        }
+
         } else {
           echo "No es build de PR (CHANGE_ID vacío); no comento."
         }