diff --git a/IkiWiki/Plugin/po.pm b/IkiWiki/Plugin/po.pm
index 55c1c32c6..103347c37 100644
--- a/IkiWiki/Plugin/po.pm
+++ b/IkiWiki/Plugin/po.pm
@@ -564,9 +564,13 @@ sub mybestlink ($$) {
 	my $link=shift;
 
 	my $res=$origsubs{'bestlink'}->(masterpage($page), $link);
+	my @caller = caller(1);
 	if (length $res
 	    && istranslatable($res)
-	    && istranslation($page)) {
+	    && istranslation($page)
+	    # keep masterpage as the rootpage for inline's post form
+	    && !(exists $caller[3] && defined $caller[3]
+		 && ($caller[3] eq "IkiWiki::rootpage"))) {
 		return $res . "." . lang($page);
 	}
 	return $res;