diff --git a/include/llvm/Bitcode/BitstreamReader.h b/include/llvm/Bitcode/BitstreamReader.h
index 18b1979cb5e..d06b46604ba 100644
--- a/include/llvm/Bitcode/BitstreamReader.h
+++ b/include/llvm/Bitcode/BitstreamReader.h
@@ -122,6 +122,7 @@ public:
     // Move the cursor to the right word.
     NextChar = FirstChar+ByteNo;
     BitsInCurWord = 0;
+    CurWord = 0;
     
     // Skip over any bits that are already consumed.
     if (WordBitNo) {