diff --git a/include/atari.h b/include/atari.h
index 22fc7075b..9d4bd0646 100644
--- a/include/atari.h
+++ b/include/atari.h
@@ -83,7 +83,7 @@
 #define CH_RTEE     	0x04
 #define CH_CROSS    	0x13
 #define CH_HLINE        0x12
-#define CH_VLINE        0x16
+#define CH_VLINE        0x7C
 
 /* color defines */