diff --git a/plugins/jenkins-backend/src/service/jenkinsApi.ts b/plugins/jenkins-backend/src/service/jenkinsApi.ts
index 81f7806d7d..7f607c44c1 100644
--- a/plugins/jenkins-backend/src/service/jenkinsApi.ts
+++ b/plugins/jenkins-backend/src/service/jenkinsApi.ts
@@ -154,7 +154,7 @@ export class JenkinsApiImpl {
 
     if (project.inQueue) {
       status = 'queued';
-    } else if (project.lastBuild === null) {
+    } else if (!project.lastBuild) {
       status = 'build not found';
     } else if (project.lastBuild.building) {
       status = 'running';