diff --git a/lib/Text/Dokuwiki/Render/Markdown.pm b/lib/Text/Dokuwiki/Render/Markdown.pm
index 9b476bc..3c9df9f 100644
--- a/lib/Text/Dokuwiki/Render/Markdown.pm
+++ b/lib/Text/Dokuwiki/Render/Markdown.pm
@@ -67,9 +67,10 @@ sub p {
 
 sub img {
   my ($self, $attrs, $content) = @_;
-  my $title = ($attrs->{title}) ? qq( $attrs->{title}) : "";
+  my $title = ($attrs->{title}) ? qq( "$attrs->{title}") : "";
+  my $alt   = $attrs->{alt} || $attrs->{title} || '';
 
-  return sprintf("![%s](%s%s)", $attrs->{alt} // '', $attrs->{src}, $title);
+  return sprintf("![%s](%s%s)", $alt, $attrs->{src}, $title);
 }
 
 1;