diff --git a/mozilla/htmlparser/src/nsScanner.cpp b/mozilla/htmlparser/src/nsScanner.cpp
index 3fb0e83d95d..5907c72d0d2 100644
--- a/mozilla/htmlparser/src/nsScanner.cpp
+++ b/mozilla/htmlparser/src/nsScanner.cpp
@@ -100,11 +100,11 @@ nsScanner::nsScanner(const nsAString& anHTMLString, const nsACString& aCharset,
   mTotalRead = anHTMLString.Length();
   mSlidingBuffer = nsnull;
   mCountRemaining = 0;
+  mFirstNonWhitespacePosition = -1;
   AppendToBuffer(anHTMLString);
   mSlidingBuffer->BeginReading(mCurrentPosition);
   mMarkPosition = mCurrentPosition;
   mIncremental = PR_FALSE;
-  mFirstNonWhitespacePosition = -1;
   mUnicodeDecoder = 0;
   mCharsetSource = kCharsetUninitialized;
   SetDocumentCharset(aCharset, aSource);