diff --git a/mozilla/htmlparser/src/nsHTMLDTD.cpp b/mozilla/htmlparser/src/nsHTMLDTD.cpp
index 56bef725308..ebb3b7af1d2 100644
--- a/mozilla/htmlparser/src/nsHTMLDTD.cpp
+++ b/mozilla/htmlparser/src/nsHTMLDTD.cpp
@@ -563,7 +563,7 @@ PRBool nsHTMLDTD::IsContainer(PRInt32 aTag) const {
     case eHTMLTag_input:      case eHTMLTag_isindex:
     case eHTMLTag_link:
     case eHTMLTag_math:       case eHTMLTag_meta:
-    case eHTMLTag_option:     case eHTMLTag_param:
+    case eHTMLTag_param:
     case eHTMLTag_style:      case eHTMLTag_spacer:
     case eHTMLTag_textarea:
     case eHTMLTag_wbr:
diff --git a/mozilla/parser/htmlparser/src/nsHTMLDTD.cpp b/mozilla/parser/htmlparser/src/nsHTMLDTD.cpp
index 56bef725308..ebb3b7af1d2 100644
--- a/mozilla/parser/htmlparser/src/nsHTMLDTD.cpp
+++ b/mozilla/parser/htmlparser/src/nsHTMLDTD.cpp
@@ -563,7 +563,7 @@ PRBool nsHTMLDTD::IsContainer(PRInt32 aTag) const {
     case eHTMLTag_input:      case eHTMLTag_isindex:
     case eHTMLTag_link:
     case eHTMLTag_math:       case eHTMLTag_meta:
-    case eHTMLTag_option:     case eHTMLTag_param:
+    case eHTMLTag_param:
     case eHTMLTag_style:      case eHTMLTag_spacer:
     case eHTMLTag_textarea:
     case eHTMLTag_wbr: