diff --git a/Zend/zend_language_scanner.l b/Zend/zend_language_scanner.l
index 19c35332a54..fdaae01d5e1 100644
--- a/Zend/zend_language_scanner.l
+++ b/Zend/zend_language_scanner.l
@@ -129,6 +129,7 @@ void startup_scanner(TSRMLS_D)
 	RESET_DOC_COMMENT();
 	SCNG(yy_start_stack_ptr) = 0;
 	SCNG(yy_start_stack_depth) = 0;
+	SCNG(current_buffer) = NULL;
 #ifdef ZEND_MULTIBYTE
 	SCNG(script_org) = NULL;
 	SCNG(script_org_size) = 0;