diff --git a/src/nsUniversalDetector.cpp b/src/nsUniversalDetector.cpp
index ea9a4d6..06c2d9a 100644
--- a/src/nsUniversalDetector.cpp
+++ b/src/nsUniversalDetector.cpp
@@ -59,6 +59,10 @@ nsUniversalDetector::nsUniversalDetector(PRUint32 aLanguageFilter)
   mLastChar = '\0';
   mLanguageFilter = aLanguageFilter;
 
+  shortcutCharset = nullptr;
+  shortcutLanguage = nullptr;
+  shortcutConfidence = 0.01;
+
   PRUint32 i;
   for (i = 0; i < NUM_OF_CHARSET_PROBERS; i++)
     mCharSetProbers[i] = nsnull;
@@ -85,6 +89,10 @@ nsUniversalDetector::Reset()
   mInputState = ePureAscii;
   mLastChar = '\0';
 
+  shortcutCharset = nullptr;
+  shortcutLanguage = nullptr;
+  shortcutConfidence = 0.01;
+
   if (mEscCharSetProber)
     mEscCharSetProber->Reset();