diff --git a/src/hb-ot-layout-gsub-table.hh b/src/hb-ot-layout-gsub-table.hh
index d73ddc1d9..2e867e3de 100644
--- a/src/hb-ot-layout-gsub-table.hh
+++ b/src/hb-ot-layout-gsub-table.hh
@@ -295,7 +295,7 @@ struct Sequence
 
     for (unsigned int i = 0; i < count; i++) {
       _hb_glyph_info_set_lig_props_for_component (&c->buffer->cur(), i);
-      c->output_glyph (substitute.array[i], klass);
+      c->output_glyph_for_component (substitute.array[i], klass);
     }
     c->buffer->skip_glyph ();
 
diff --git a/src/hb-ot-layout-gsubgpos-private.hh b/src/hb-ot-layout-gsubgpos-private.hh
index c8926c0fb..4521eecf5 100644
--- a/src/hb-ot-layout-gsubgpos-private.hh
+++ b/src/hb-ot-layout-gsubgpos-private.hh
@@ -567,13 +567,25 @@ struct hb_apply_context_t
 
   inline void _set_glyph_props (hb_codepoint_t glyph_index,
 			  unsigned int class_guess = 0,
-			  bool ligature = false) const
+			  bool ligature = false,
+			  bool component = false) const
   {
     unsigned int add_in = _hb_glyph_info_get_glyph_props (&buffer->cur()) &
 			  HB_OT_LAYOUT_GLYPH_PROPS_PRESERVE;
     add_in |= HB_OT_LAYOUT_GLYPH_PROPS_SUBSTITUTED;
     if (ligature)
+    {
       add_in |= HB_OT_LAYOUT_GLYPH_PROPS_LIGATED;
+      /* In the only place that the MULTIPLIED bit is used, Uniscribe
+       * seems to only care about the "last" transformation between
+       * Ligature and Multiple substitions.  Ie. if you ligate, expand,
+       * and ligate again, it forgives the multiplication and acts as
+       * if only ligation happened.  As such, clear MULTIPLIED bit.
+       */
+      add_in &= ~HB_OT_LAYOUT_GLYPH_PROPS_MULTIPLIED;
+    }
+    if (component)
+      add_in |= HB_OT_LAYOUT_GLYPH_PROPS_MULTIPLIED;
     if (likely (has_glyph_classes))
       _hb_glyph_info_set_glyph_props (&buffer->cur(), add_in | gdef.get_glyph_props (glyph_index));
     else if (class_guess)
@@ -596,10 +608,10 @@ struct hb_apply_context_t
     _set_glyph_props (glyph_index, class_guess, true);
     buffer->replace_glyph (glyph_index);
   }
-  inline void output_glyph (hb_codepoint_t glyph_index,
-			    unsigned int class_guess) const
+  inline void output_glyph_for_component (hb_codepoint_t glyph_index,
+					  unsigned int class_guess) const
   {
-    _set_glyph_props (glyph_index, class_guess);
+    _set_glyph_props (glyph_index, class_guess, false, true);
     buffer->output_glyph (glyph_index);
   }
 };
diff --git a/src/hb-ot-layout-private.hh b/src/hb-ot-layout-private.hh
index 4f03e1b0e..3ded92fec 100644
--- a/src/hb-ot-layout-private.hh
+++ b/src/hb-ot-layout-private.hh
@@ -50,9 +50,11 @@ typedef enum
   /* The following are used internally; not derived from GDEF. */
   HB_OT_LAYOUT_GLYPH_PROPS_SUBSTITUTED	= 0x10u,
   HB_OT_LAYOUT_GLYPH_PROPS_LIGATED	= 0x20u,
+  HB_OT_LAYOUT_GLYPH_PROPS_MULTIPLIED	= 0x40u,
 
   HB_OT_LAYOUT_GLYPH_PROPS_PRESERVE     = HB_OT_LAYOUT_GLYPH_PROPS_SUBSTITUTED |
-					  HB_OT_LAYOUT_GLYPH_PROPS_LIGATED
+					  HB_OT_LAYOUT_GLYPH_PROPS_LIGATED |
+					  HB_OT_LAYOUT_GLYPH_PROPS_MULTIPLIED
 } hb_ot_layout_glyph_class_mask_t;
 
 
@@ -381,6 +383,18 @@ _hb_glyph_info_ligated (const hb_glyph_info_t *info)
   return !!(info->glyph_props() & HB_OT_LAYOUT_GLYPH_PROPS_LIGATED);
 }
 
+static inline bool
+_hb_glyph_info_multiplied (const hb_glyph_info_t *info)
+{
+  return !!(info->glyph_props() & HB_OT_LAYOUT_GLYPH_PROPS_MULTIPLIED);
+}
+
+static inline bool
+_hb_glyph_info_ligated_and_didnt_multiply (const hb_glyph_info_t *info)
+{
+  return _hb_glyph_info_ligated (info) && !_hb_glyph_info_multiplied (info);
+}
+
 /* Allocation / deallocation. */
 
 static inline void
diff --git a/src/hb-ot-shape-complex-indic.cc b/src/hb-ot-shape-complex-indic.cc
index 77a79a579..4b122201c 100644
--- a/src/hb-ot-shape-complex-indic.cc
+++ b/src/hb-ot-shape-complex-indic.cc
@@ -1446,7 +1446,7 @@ final_reordering_syllable (const hb_ot_shape_plan_t *plan,
   if (start + 1 < end &&
       info[start].indic_position() == POS_RA_TO_BECOME_REPH &&
       ((info[start].indic_category() == OT_Repha) ^
-       _hb_glyph_info_ligated (&info[start])))
+       _hb_glyph_info_ligated_and_didnt_multiply (&info[start])))
   {
     unsigned int new_reph_pos;
     reph_position_t reph_pos = indic_plan->config->reph_pos;
@@ -1599,7 +1599,7 @@ final_reordering_syllable (const hb_ot_shape_plan_t *plan,
 	 * If pref len is longer than one, then only reorder if it ligated.  If
 	 * pref len is one, only reorder if it didn't ligate with other things. */
 	if (_hb_glyph_info_substituted (&info[i]) &&
-	    ((pref_len == 1) ^ _hb_glyph_info_ligated (&info[i])))
+	    ((pref_len == 1) ^ _hb_glyph_info_ligated_and_didnt_multiply (&info[i])))
 	{
 	  /*
 	   *       2. Try to find a target position the same way as for pre-base matra.
diff --git a/test/shaping/Makefile.am b/test/shaping/Makefile.am
index db3ebbcca..cefd4803c 100644
--- a/test/shaping/Makefile.am
+++ b/test/shaping/Makefile.am
@@ -34,7 +34,10 @@ CLEANFILES += \
 	hb_test_tools.py[co] \
 	$(NULL)
 
-TESTS = tests/context-matching.tests
+TESTS = \
+	tests/context-matching.tests \
+	tests/indic-pref-blocking.tests \
+	$(NULL)
 
 TEST_EXTENSIONS = \
 	.tests \
diff --git a/test/shaping/fonts/sha1sum/226bc2deab3846f1a682085f70c67d0421014144.ttf b/test/shaping/fonts/sha1sum/226bc2deab3846f1a682085f70c67d0421014144.ttf
new file mode 100644
index 000000000..70c0c0a83
Binary files /dev/null and b/test/shaping/fonts/sha1sum/226bc2deab3846f1a682085f70c67d0421014144.ttf differ
diff --git a/test/shaping/tests/MANIFEST b/test/shaping/tests/MANIFEST
index 8a6157a5b..ac10e0756 100644
--- a/test/shaping/tests/MANIFEST
+++ b/test/shaping/tests/MANIFEST
@@ -1 +1,2 @@
 context-matching.tests
+indic-pref-blocking.tests