diff --git a/IkiWiki/Plugin/htmlscrubber.pm b/IkiWiki/Plugin/htmlscrubber.pm
index 7ce07ee9a..3bdaccea1 100644
--- a/IkiWiki/Plugin/htmlscrubber.pm
+++ b/IkiWiki/Plugin/htmlscrubber.pm
@@ -31,7 +31,7 @@ sub import { #{{{
 	);
 	# data is a special case. Allow data:image/*, but
 	# disallow data:text/javascript and everything else.
-	$safe_url_regexp=qr/^(?:(?:$uri_schemes):|data:image\/|[^:]+$)/i;
+	$safe_url_regexp=qr/^(?:(?:$uri_schemes):|data:image\/|[^:]+(?:$|\/))/i;
 } # }}}
 
 sub sanitize (@) { #{{{