1 files changed, 1 insertions, 0 deletions
diff --git a/Zend/zend-scanner.h b/Zend/zend-scanner.h
index d97817c89d..bdc1ee9f06 100644
--- a/Zend/zend-scanner.h
+++ b/Zend/zend-scanner.h
@@ -21,6 +21,7 @@
 class ZendFlexLexer : public yyFlexLexer
 {
 public:
+	virtual ~ZendFlexLexer();
 	int lex_scan(zval *zendlval CLS_DC);
 	void BeginState(int state);
 };