--- /dev/null
+diff --git a/Zend/zend_language_parser.y b/Zend/zend_language_parser.y
+index ccbc9b1..6a9a24a 100644
+--- a/Zend/zend_language_parser.y
++++ b/Zend/zend_language_parser.y
+@@ -41,17 +41,19 @@ static YYSIZE_T zend_yytnamerr(char*, const char*);
+
+ #define YYERROR_VERBOSE
+ #define YYSTYPE znode
+-#ifdef ZTS
+-# define YYPARSE_PARAM tsrm_ls
+-# define YYLEX_PARAM tsrm_ls
+-#endif
+-
+
+ %}
+
+ %pure_parser
+ %expect 3
+
++%code requires {
++#ifdef ZTS
++# define YYPARSE_PARAM tsrm_ls
++# define YYLEX_PARAM tsrm_ls
++#endif
++}
++
+ %token END 0 "end of file"
+ %left T_INCLUDE T_INCLUDE_ONCE T_EVAL T_REQUIRE T_REQUIRE_ONCE
+ %token T_INCLUDE "include (T_INCLUDE)"