diff --git a/Parser/tokenizer.c b/Parser/tokenizer.c
index 62a3da0..ccff9d1 100644
--- a/Parser/tokenizer.c
+++ b/Parser/tokenizer.c
@@ -37,7 +37,7 @@
 #include "tokenizer.h"
 #include "errcode.h"
 
-#ifdef THINK_C
+#ifdef macintosh
 #define TABSIZE 4
 #endif