diff --git a/charts/cert-manager/templates/serviceaccount.yaml b/charts/cert-manager/templates/serviceaccount.yaml
index 698ddef..fac93d0 100644
--- a/charts/cert-manager/templates/serviceaccount.yaml
+++ b/charts/cert-manager/templates/serviceaccount.yaml
@@ -12,7 +12,8 @@
   {{- with .Values.serviceAccount.annotations }}
   annotations:
     {{- range $k, $v := . }}
-      {{- printf "%s: %s" (tpl $k $) (tpl $v $) | nindent 4 }}
+      {{- $value := $v | quote }}
+      {{- printf "%s: %s" (tpl $k $) (tpl $value $) | nindent 4 }}
     {{- end }} 
   {{- end }}
   labels: