diff --git a/mozilla/intl/chardet/src/nsCyrillicDetector.cpp b/mozilla/intl/chardet/src/nsCyrillicDetector.cpp
index 340901474f9..b9eff5ae40f 100644
--- a/mozilla/intl/chardet/src/nsCyrillicDetector.cpp
+++ b/mozilla/intl/chardet/src/nsCyrillicDetector.cpp
@@ -168,6 +168,7 @@ NS_IMETHODIMP nsCyrXPCOMStringDetector::DoIt(const char* aBuf, PRUint32 aLen,
                      const char** oCharset, nsDetectionConfident &oConf)
 {
    mResult = nsnull;
+   mDone = PR_FALSE;
    this->HandleData(aBuf, aLen); 
    this->DataEnd();
    *oCharset=mResult;
diff --git a/mozilla/intl/chardet/src/nsCyrillicDetector.h b/mozilla/intl/chardet/src/nsCyrillicDetector.h
index 6b1326b227f..93efba74a73 100644
--- a/mozilla/intl/chardet/src/nsCyrillicDetector.h
+++ b/mozilla/intl/chardet/src/nsCyrillicDetector.h
@@ -89,6 +89,7 @@ class nsCyrillicDetector
     virtual void   DataEnd();
   protected:
     virtual void Report(const char* aCharset) = 0;
+    PRBool  mDone;
 
   private:
     PRUint8  mItems;
@@ -96,7 +97,6 @@ class nsCyrillicDetector
     const char** mCharsets;
     PRUint32 mProb[NUM_CYR_CHARSET];
     PRUint8 mLastCls[NUM_CYR_CHARSET];
-    PRBool  mDone;
 };
 
 class nsCyrXPCOMDetector :