diff --git a/mozilla/parser/htmlparser/src/nsElementTable.cpp b/mozilla/parser/htmlparser/src/nsElementTable.cpp
index a5bce5d800f..960cc9a2786 100644
--- a/mozilla/parser/htmlparser/src/nsElementTable.cpp
+++ b/mozilla/parser/htmlparser/src/nsElementTable.cpp
@@ -790,7 +790,7 @@ const nsHTMLElement gHTMLElements[] = {
     /*req-parent excl-parent*/          eHTMLTag_unknown,eHTMLTag_unknown,
     /*rootnodes,endrootnodes*/          &gInHead,&gInHead,
     /*autoclose starttags and endtags*/ 0,0,0,0,
-    /*parent,incl,exclgroups*/          kHeadContent, kNone, kNone,
+    /*parent,incl,exclgroups*/          kAllTags - kHeadContent, kNone, kNone,
     /*special props, prop-range*/       kNonContainer,kDefaultPropRange,
     /*special parents,kids,skip*/       &gInHead,0,eHTMLTag_unknown,
     /*contain-func*/                    0