diff --git a/src/hb-ot-shape-complex-indic.hh b/src/hb-ot-shape-complex-indic.hh
index 95da06887..9d59b3046 100644
--- a/src/hb-ot-shape-complex-indic.hh
+++ b/src/hb-ot-shape-complex-indic.hh
@@ -325,7 +325,7 @@ set_indic_properties (hb_glyph_info_t &info)
 {
   hb_codepoint_t u = info.codepoint;
   unsigned int type = hb_indic_get_categories (u);
-  indic_category_t cat = (indic_category_t) (type & 0x7Fu);
+  indic_category_t cat = (indic_category_t) (type & 0xFFu);
   indic_position_t pos = (indic_position_t) (type >> 8);
 
 
diff --git a/src/hb-ot-shape-complex-khmer.hh b/src/hb-ot-shape-complex-khmer.hh
index 11a77bfd4..e24d68a8b 100644
--- a/src/hb-ot-shape-complex-khmer.hh
+++ b/src/hb-ot-shape-complex-khmer.hh
@@ -54,7 +54,7 @@ set_khmer_properties (hb_glyph_info_t &info)
 {
   hb_codepoint_t u = info.codepoint;
   unsigned int type = hb_indic_get_categories (u);
-  khmer_category_t cat = (khmer_category_t) (type & 0x7Fu);
+  khmer_category_t cat = (khmer_category_t) (type & 0xFFu);
   indic_position_t pos = (indic_position_t) (type >> 8);
 
 
diff --git a/src/hb-ot-shape-complex-myanmar.hh b/src/hb-ot-shape-complex-myanmar.hh
index 7b9821e6b..a6d68aae5 100644
--- a/src/hb-ot-shape-complex-myanmar.hh
+++ b/src/hb-ot-shape-complex-myanmar.hh
@@ -64,7 +64,7 @@ set_myanmar_properties (hb_glyph_info_t &info)
 {
   hb_codepoint_t u = info.codepoint;
   unsigned int type = hb_indic_get_categories (u);
-  unsigned int cat = type & 0x7Fu;
+  unsigned int cat = type & 0xFFu;
   indic_position_t pos = (indic_position_t) (type >> 8);
 
   /* Myanmar