1 files changed, 1 insertions, 0 deletions
diff --git a/perly.y b/perly.y
index 74802f4237..f9c5c5f606 100644
--- a/perly.y
+++ b/perly.y
@@ -61,6 +61,7 @@ static void yydestruct(pTHXo_ void *ptr);
 
 #ifdef USE_PURE_BISON
 #define YYLEX_PARAM (&yychar)
+#define yylex yylex_r
 #endif
 
 %}