diff --git a/.chezmoi.toml.tmpl b/.chezmoi.toml.tmpl
index 8bd9370..dbd7fae 100644
--- a/.chezmoi.toml.tmpl
+++ b/.chezmoi.toml.tmpl
@@ -1,4 +1,4 @@
-{{ $email := promptString "email" -}}
+{{- $email := promptStringOnce . "email" "Email address" -}}
 
 [data]
-email = "{{ $email }}"
+    email = {{ $email | quote }}