diff --git a/src/hb-ot-shape-complex-myanmar-machine.rl b/src/hb-ot-shape-complex-myanmar-machine.rl
index 8036e7c0d..9649a916f 100644
--- a/src/hb-ot-shape-complex-myanmar-machine.rl
+++ b/src/hb-ot-shape-complex-myanmar-machine.rl
@@ -44,7 +44,7 @@ C    = 1;
 D    = 19;
 D0   = 20;
 DB   = 3;
-GB   = 12;
+GB   = 11;
 H    = 4;
 IV   = 2;
 MH   = 21;
diff --git a/src/hb-ot-shape-complex-myanmar.cc b/src/hb-ot-shape-complex-myanmar.cc
index 3c540f331..66ca1cff2 100644
--- a/src/hb-ot-shape-complex-myanmar.cc
+++ b/src/hb-ot-shape-complex-myanmar.cc
@@ -134,7 +134,7 @@ enum myanmar_category_t {
   OT_D   = 19, /* Digits except zero */
   OT_D0  = 20, /* Digit zero */
   OT_DB  = OT_N, /* Dot below */
-  OT_GB  = OT_DOTTEDCIRCLE,
+  OT_GB  = OT_NBSP,
   OT_MH  = 21, /* Various consonant medial types */
   OT_MR  = 22, /* Various consonant medial types */
   OT_MW  = 23, /* Various consonant medial types */