diff --git a/IkiWiki/Plugin/inline.pm b/IkiWiki/Plugin/inline.pm
index 037c20618..aa8fe2baa 100644
--- a/IkiWiki/Plugin/inline.pm
+++ b/IkiWiki/Plugin/inline.pm
@@ -114,7 +114,7 @@ sub format (@) { #{{{
 	return $params{content};
 } #}}}
 
-sub sessioncgi () { #{{{
+sub sessioncgi ($$) { #{{{
 	my $q=shift;
 	my $session=shift;