diff --git a/util/hb-view.cc b/util/hb-view.cc
index ef75e6da7..69a4c9504 100644
--- a/util/hb-view.cc
+++ b/util/hb-view.cc
@@ -30,7 +30,7 @@
 #include "view-cairo.hh"
 
 #define DEFAULT_FONT_SIZE 256
-#define SUBPIXEL_BITS 8
+#define SUBPIXEL_BITS 6
 
 int
 main (int argc, char **argv)