diff --git a/tests/ci/Jenkinsfile.combined b/tests/ci/Jenkinsfile.combined
index 9628cae560..e0b86d6bea 100644
--- a/tests/ci/Jenkinsfile.combined
+++ b/tests/ci/Jenkinsfile.combined
@@ -326,7 +326,7 @@ def generateStage(nodeLabel) {
                       GIT_OWNER=$(echo $GIT_URL | cut -d '/' -f4)
                       GIT_REPO_NAME=$(echo $GIT_URL | cut -d '/' -f5 | cut -d '.' -f1)
 
-                      curl --silent -X DELETE -H "Accept: application/vnd.github.v3+json" -H "Authorization: Bearer ${GITHUB_TOKEN}"  https://api.github.com/repos/${GIT_OWNER}/${GIT_REPO_NAME}/issues/${CHANGE_ID}/labels -d '{"labels":["$machine-.*RT|$machine-.*BL"]}'
+                      curl --silent -X DELETE -H "Accept: application/vnd.github.v3+json" -H "Authorization: Bearer ${GITHUB_TOKEN}"  https://api.github.com/repos/${GIT_OWNER}/${GIT_REPO_NAME}/issues/${CHANGE_ID}/labels/{$machine-RT,$machine-BL}
                     '''
                       s3Upload consoleLogLevel: 'INFO', dontSetBuildResultOnFailure: false, dontWaitForConcurrentBuildCompletion: false, entries: [[bucket: 'noaa-epic-prod-jenkins-artifacts', excludedFile: '', flatten: true, gzipFiles: false, keepForever: false, managedArtifacts: true, noUploadOnFailure: false, selectedRegion: 'us-east-1', showDirectlyInBrowser: false, sourceFile: "**/*tgz*", storageClass: 'STANDARD', uploadFromSlave: false, useServerSideEncryption: false]], pluginFailureResultConstraint: 'FAILURE', profileName: 'main', userMetadata: []
                     currentBuild.result = 'FAILURE'