diff --git a/layouts/_default/rss.xml b/layouts/_default/rss.xml
index b255c9f..373a6b8 100644
--- a/layouts/_default/rss.xml
+++ b/layouts/_default/rss.xml
@@ -44,7 +44,7 @@
       {{- $content := replaceRE "a href=\"(#.*?)\"" (printf "%s%s%s" "a href=\"" .Permalink "$1\"") .Content -}}
       {{- $content = replaceRE "img src=\"(.*?)\"" (printf "%s%s%s" "img src=\"" .Permalink "$1\"") $content -}}
       {{- $content = replaceRE "<svg.*</svg>" "" $content -}}
-      {{- $content = replaceRE `-moz-tab-size:\d;-o-tab-size:\d;tab-size:\d` "" $content -}}
+      {{- $content = replaceRE `-moz-tab-size:\d;-o-tab-size:\d;tab-size:\d;?` "" $content -}}
       <description>{{ $content | html }}</description>
     </item>
     {{ end }}