diff --git a/Parser/tokenizer.c b/Parser/tokenizer.c
index 36ea466..991d760 100644
--- a/Parser/tokenizer.c
+++ b/Parser/tokenizer.c
@@ -640,7 +640,7 @@
 {
 	PyObject* utf8 = NULL;
 	const char *s;
-	char *newl[2] = {NULL, NULL};
+	const char *newl[2] = {NULL, NULL};
 	int lineno = 0;
 	tok->enc = NULL;
 	tok->str = str;