diff --git a/I7000/i7000_mt.c b/I7000/i7000_mt.c
index 28e2035..f903aac 100644
--- a/I7000/i7000_mt.c
+++ b/I7000/i7000_mt.c
@@ -91,7 +91,7 @@
 #define HS_IPS         500      /* High speed rewind Inches per second */
 
 #define LD             200
-#define HD             555
+#define HD             400
 
 #define LT_GAP_LEN     ((3 * LD)/ 4)   /* Gap length for low density */
 #define HT_GAP_LEN     ((3 * HD)/ 4)   /* Gap length for high density */