diff --git a/layouts/_default/single.gmi b/layouts/_default/single.gmi
index 29e32ab..728e99d 100644
--- a/layouts/_default/single.gmi
+++ b/layouts/_default/single.gmi
@@ -35,7 +35,7 @@
 {{- $content := $scratch.Get "content" | replaceRE `\[(.+?)\]\((.+?)\) #(\d+)` "$1 [$3]" -}}{{/* replace inline links with footnote */}}
 {{- $content | safeHTML }}
 ---
-{{ $subject := printf "Re: %s" .Title }}
+{{ $subject := printf "Re: %s" .Title -}}
 => mailto:blog@runtimeterror.dev?subject={{ urlquery $subject | replaceRE `\+` "%20" }} 📧 Reply via email
 
 ## Bibliography