diff --git a/.changeset/many-vans-thank.md b/.changeset/many-vans-thank.md
index 942aa4cc7c..16f8c8a69b 100644
--- a/.changeset/many-vans-thank.md
+++ b/.changeset/many-vans-thank.md
@@ -3,6 +3,4 @@
 '@backstage/plugin-jenkins-backend': patch
 ---
 
----
-
 feature: added support for multiple branches to the `JenkinsApi`
diff --git a/plugins/jenkins-backend/src/service/jenkinsApi.test.ts b/plugins/jenkins-backend/src/service/jenkinsApi.test.ts
index ad1a09a40f..bada5e1c29 100644
--- a/plugins/jenkins-backend/src/service/jenkinsApi.test.ts
+++ b/plugins/jenkins-backend/src/service/jenkinsApi.test.ts
@@ -118,10 +118,9 @@ describe('JenkinsApi', () => {
       it('standard github layout', async () => {
         mockedJenkinsClient.job.get.mockResolvedValueOnce(project);
 
-        const result = await jenkinsApi.getProjects(
-          jenkinsInfo,
+        const result = await jenkinsApi.getProjects(jenkinsInfo, [
           'testBranchName',
-        );
+        ]);
 
         expect(mockedJenkins).toHaveBeenCalledWith({
           baseUrl: jenkinsInfo.baseUrl,
@@ -138,10 +137,11 @@ describe('JenkinsApi', () => {
       it('supports multiple branches', async () => {
         mockedJenkinsClient.job.get.mockResolvedValue(project);
 
-        const result = await jenkinsApi.getProjects(
-          jenkinsInfo,
-          'foo,bar,catpants',
-        );
+        const result = await jenkinsApi.getProjects(jenkinsInfo, [
+          'foo',
+          'bar',
+          'catpants',
+        ]);
 
         expect(mockedJenkins).toHaveBeenCalledWith({
           baseUrl: jenkinsInfo.baseUrl,
diff --git a/plugins/jenkins-backend/src/service/jenkinsApi.ts b/plugins/jenkins-backend/src/service/jenkinsApi.ts
index 07469dc83a..334be5dfa9 100644
--- a/plugins/jenkins-backend/src/service/jenkinsApi.ts
+++ b/plugins/jenkins-backend/src/service/jenkinsApi.ts
@@ -70,17 +70,17 @@ export class JenkinsApiImpl {
    * Get a list of projects for the given JenkinsInfo.
    * @see ../../../jenkins/src/api/JenkinsApi.ts#getProjects
    */
-  async getProjects(jenkinsInfo: JenkinsInfo, branch?: string) {
+  async getProjects(jenkinsInfo: JenkinsInfo, branches?: string[]) {
     const client = await JenkinsApiImpl.getClient(jenkinsInfo);
     const projects: BackstageProject[] = [];
 
-    if (branch) {
+    if (branches) {
       // Assume jenkinsInfo.jobFullName is a folder which contains one job per branch.
       // TODO: extract a strategy interface for this
       const job = await Promise.any(
-        branch.split(/,/g).map(name =>
+        branches.map(branch =>
           client.job.get({
-            name: `${jenkinsInfo.jobFullName}/${name}`,
+            name: `${jenkinsInfo.jobFullName}/${branch}`,
             tree: JenkinsApiImpl.jobTreeSpec.replace(/\s/g, ''),
           }),
         ),
diff --git a/plugins/jenkins-backend/src/service/router.ts b/plugins/jenkins-backend/src/service/router.ts
index 2c9e268165..b4c06314e1 100644
--- a/plugins/jenkins-backend/src/service/router.ts
+++ b/plugins/jenkins-backend/src/service/router.ts
@@ -64,12 +64,12 @@ export async function createRouter(
         request.header('authorization'),
       );
       const branch = request.query.branch;
-      let branchStr: string | undefined;
+      let branches: string[] | undefined;
 
       if (branch === undefined) {
-        branchStr = undefined;
+        branches = undefined;
       } else if (typeof branch === 'string') {
-        branchStr = branch;
+        branches = branch.split(/,/g);
       } else {
         // this was passed in as something weird -> 400
         // https://evanhahn.com/gotchas-with-express-query-parsing-and-how-to-avoid-them/
@@ -88,7 +88,7 @@ export async function createRouter(
         },
         backstageToken: token,
       });
-      const projects = await jenkinsApi.getProjects(jenkinsInfo, branchStr);
+      const projects = await jenkinsApi.getProjects(jenkinsInfo, branches);
 
       response.json({
         projects: projects,