diff --git a/Jenkinsfile b/Jenkinsfile
index f8574bc..85140ac 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -82,7 +82,7 @@ pipeline {
                         customHeaders: [[name: 'Authorization', value: "token ${TOKEN_PSW}", maskValue: true]],
                         httpMode: 'POST',
                         requestBody: release_body_str
-                    def release_json = readJson text: release_resp.content
+                    def release_json = readJSON text: release_resp.content
                     httpRequest url: "https://gitea.mattv.de/api/v1/repos/root/fileserver/releases/${release_json.id}/assets?name=linux-x64-glibc.tar.xz",
                         httpMode: 'POST',
                         acceptType: 'APPLICATION_JSON',