diff --git a/lib/Text/Dokuwiki/Render/Markdown.pm b/lib/Text/Dokuwiki/Render/Markdown.pm
index b73f2e3..f48b54c 100644
--- a/lib/Text/Dokuwiki/Render/Markdown.pm
+++ b/lib/Text/Dokuwiki/Render/Markdown.pm
@@ -99,7 +99,7 @@ sub blockquote {
 sub pre {
   my ($self, $attrs, $content) = @_;
 
-  my @lines = map { "    $_" } split(/\r?\n/o, $content);
+  my @lines = map { "  " . $_ } split(/\r?\n/o, $content);
 
   return join("\n", @lines);
 }