diff --git a/example/lookaheadparser/lookaheadparser.cpp b/example/lookaheadparser/lookaheadparser.cpp
index 29d9299..9ce8432 100644
--- a/example/lookaheadparser/lookaheadparser.cpp
+++ b/example/lookaheadparser/lookaheadparser.cpp
@@ -78,7 +78,7 @@ protected:
     static const int parseFlags = kParseDefaultFlags | kParseInsituFlag;
 };
 
-LookaheadParserHandler::LookaheadParserHandler(char* str) : ss_(str) {
+LookaheadParserHandler::LookaheadParserHandler(char* str) : v_(), ss_(str) {
     r_.IterativeParseInit();
     ParseNext();
 }