diff --git a/charts/cert-manager/templates/startupapicheck-job.yaml b/charts/cert-manager/templates/startupapicheck-job.yaml
index 183cff4..606cc1e 100644
--- a/charts/cert-manager/templates/startupapicheck-job.yaml
+++ b/charts/cert-manager/templates/startupapicheck-job.yaml
@@ -78,7 +78,9 @@
           {{- end }}
       {{- with .Values.startupapicheck.nodeSelector }}
       nodeSelector:
-        {{- toYaml . | nindent 8 }}
+        {{- range $key, $value := . }}
+        {{ $key }}: {{ $value | quote }}
+        {{- end }}
       {{- end }}
       {{- with .Values.startupapicheck.affinity }}
       affinity: