diff --git a/hack/jenkins/minikube_cross_build_and_upload.sh b/hack/jenkins/minikube_cross_build_and_upload.sh
index a8e6c74f6e..d0a0a1cc3e 100755
--- a/hack/jenkins/minikube_cross_build_and_upload.sh
+++ b/hack/jenkins/minikube_cross_build_and_upload.sh
@@ -83,7 +83,7 @@ gsutil -m rsync -dJR out "gs://${bucket}/${ghprbPullId}"
 
 readonly bucket_mirror="minikube/latest"
 readonly HEAD="master"
-if [[ "${ghprbPullId}" -eq "${HEAD}" ]]; then
+if [[ "${ghprbPullId}" == "${HEAD}" ]]; then
   # Copy artifacts to known mirror location
   gsutil cp -R "gs://${bucket}/${ghprbPullId}/minikube-*" "gs://${bucket_mirror}"
 fi