diff --git a/src/gen-use-table.py b/src/gen-use-table.py
index ebfae6fab..a8a7a2326 100755
--- a/src/gen-use-table.py
+++ b/src/gen-use-table.py
@@ -200,7 +200,8 @@ def is_HALANT(U, UISC, UGC):
 	return UISC in [Virama, Invisible_Stacker] and not is_HALANT_OR_VOWEL_MODIFIER(U, UISC, UGC)
 def is_HALANT_OR_VOWEL_MODIFIER(U, UISC, UGC):
 	# https://github.com/harfbuzz/harfbuzz/issues/1102
-	return U == 0x11046
+	# https://github.com/harfbuzz/harfbuzz/issues/1379
+	return U in [0x11046, 0x1134D]
 def is_HALANT_NUM(U, UISC, UGC):
 	return UISC == Number_Joiner
 def is_ZWNJ(U, UISC, UGC):
diff --git a/src/hb-ot-shape-complex-use-table.cc b/src/hb-ot-shape-complex-use-table.cc
index e9c88aec4..bfc92d3b5 100644
--- a/src/hb-ot-shape-complex-use-table.cc
+++ b/src/hb-ot-shape-complex-use-table.cc
@@ -582,7 +582,7 @@ static const USE_TABLE_ELEMENT_TYPE use_table[] = {
   /* 11310 */     B,     O,     O,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,     B,
   /* 11320 */     B,     B,     B,     B,     B,     B,     B,     B,     B,     O,     B,     B,     B,     B,     B,     B,
   /* 11330 */     B,     O,     B,     B,     O,     B,     B,     B,     B,     B,     O, CMBlw, CMBlw,     B,  VPst,  VPst,
-  /* 11340 */  VAbv,  VPst,  VPst,  VPst,  VPst,     O,     O,  VPre,  VPre,     O,     O,  VPst,  VPst,     H,     O,     O,
+  /* 11340 */  VAbv,  VPst,  VPst,  VPst,  VPst,     O,     O,  VPre,  VPre,     O,     O,  VPst,  VPst,   HVM,     O,     O,
   /* 11350 */     O,     O,     O,     O,     O,     O,     O,  VPst,     O,     O,     O,     O,     O,     O,     B,     B,
   /* 11360 */     B,     B,  VPst,  VPst,     O,     O, VMAbv, VMAbv, VMAbv, VMAbv, VMAbv, VMAbv, VMAbv,     O,     O,     O,
   /* 11370 */ VMAbv, VMAbv, VMAbv, VMAbv, VMAbv,     O,     O,     O,