diff --git a/pkg/controller/jenkins/client/job.go b/pkg/controller/jenkins/client/job.go
new file mode 100644
index 00000000..5c00ee5c
--- /dev/null
+++ b/pkg/controller/jenkins/client/job.go
@@ -0,0 +1,30 @@
+package client
+
+import (
+	"net/url"
+
+	"github.com/bndr/gojenkins"
+)
+
+func (jenkins *jenkins) GetBuild(jobName string, number int64) (*gojenkins.Build, error) {
+	job, err := jenkins.GetJob(jobName)
+	if err != nil {
+		return nil, err
+	}
+
+	// https://github.com/bndr/gojenkins/issues/176
+	// workaround begin
+	jobURL, err := url.Parse(job.Raw.URL)
+	if err != nil {
+		return nil, err
+	}
+	job.Raw.URL = jobURL.RequestURI()
+	// workaround end
+
+	build, err := job.GetBuild(number)
+
+	if err != nil {
+		return nil, err
+	}
+	return build, nil
+}
diff --git a/test/e2e/configuration_test.go b/test/e2e/configuration_test.go
index 6e98d621..84754f61 100644
--- a/test/e2e/configuration_test.go
+++ b/test/e2e/configuration_test.go
@@ -111,6 +111,10 @@ Jenkins.instance.save()`, numberOfExecutors),
 			"1-casc.yaml": fmt.Sprintf(`
 jenkins:
   systemMessage: "%s"`, systemMessage),
+			"2-casc.yaml": `
+unclassified:
+  location:
+    url: http://external-jenkins-url:8080`,
 		},
 	}