diff --git a/mozilla/content/html/document/src/nsHTMLDocument.cpp b/mozilla/content/html/document/src/nsHTMLDocument.cpp
index 593868eafe4..892400a0628 100644
--- a/mozilla/content/html/document/src/nsHTMLDocument.cpp
+++ b/mozilla/content/html/document/src/nsHTMLDocument.cpp
@@ -216,6 +216,10 @@ nsHTMLDocument::nsHTMLDocument()
   mForms = nsnull;
   mIsWriting = 0;
   mWriteLevel = 0;
+
+#ifdef IBMBIDI
+  mTexttype = IBMBIDI_TEXTTYPE_LOGICAL;
+#endif
   
   if (gRefCntRDFService++ == 0)
   {