diff --git a/dlls/usp10/shape.c b/dlls/usp10/shape.c
index 0068b414bf0..499829fe251 100644
--- a/dlls/usp10/shape.c
+++ b/dlls/usp10/shape.c
@@ -2417,7 +2417,7 @@ static void ContextualShape_Sinhala(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *
     /* Step 4: Base Form application to syllables */
     GetGlyphIndicesW(hdc, input, cCount, pwOutGlyphs, 0);
     *pcGlyphs = cCount;
-    ShapeIndicSyllables(hdc, psc, psa, input, cCount, syllables, syllable_count, pwOutGlyphs, pcGlyphs, pwLogClust, sinhala_lex, NULL, TRUE);
+    ShapeIndicSyllables(hdc, psc, psa, input, cChars, syllables, syllable_count, pwOutGlyphs, pcGlyphs, pwLogClust, sinhala_lex, NULL, TRUE);
 
     HeapFree(GetProcessHeap(),0,input);
     HeapFree(GetProcessHeap(),0,syllables);
@@ -2474,7 +2474,7 @@ static void ContextualShape_Devanagari(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSI
     *pcGlyphs = cCount;
 
     /* Step 3: Base Form application to syllables */
-    ShapeIndicSyllables(hdc, psc, psa, input, cCount, syllables, syllable_count, pwOutGlyphs, pcGlyphs, pwLogClust, devanagari_lex, NULL, modern);
+    ShapeIndicSyllables(hdc, psc, psa, input, cChars, syllables, syllable_count, pwOutGlyphs, pcGlyphs, pwLogClust, devanagari_lex, NULL, modern);
 
     HeapFree(GetProcessHeap(),0,input);
     HeapFree(GetProcessHeap(),0,syllables);
@@ -2544,7 +2544,7 @@ static void ContextualShape_Bengali(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *
     }
 
     /* Step 4: Base Form application to syllables */
-    ShapeIndicSyllables(hdc, psc, psa, input, cCount, syllables, syllable_count, pwOutGlyphs, pcGlyphs, pwLogClust, bengali_lex, NULL, modern);
+    ShapeIndicSyllables(hdc, psc, psa, input, cChars, syllables, syllable_count, pwOutGlyphs, pcGlyphs, pwLogClust, bengali_lex, NULL, modern);
 
     HeapFree(GetProcessHeap(),0,input);
     HeapFree(GetProcessHeap(),0,syllables);
@@ -2592,7 +2592,7 @@ static void ContextualShape_Gurmukhi(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS
     *pcGlyphs = cCount;
 
     /* Step 3: Base Form application to syllables */
-    ShapeIndicSyllables(hdc, psc, psa, input, cCount, syllables, syllable_count, pwOutGlyphs, pcGlyphs, pwLogClust, gurmukhi_lex, NULL, modern);
+    ShapeIndicSyllables(hdc, psc, psa, input, cChars, syllables, syllable_count, pwOutGlyphs, pcGlyphs, pwLogClust, gurmukhi_lex, NULL, modern);
 
     HeapFree(GetProcessHeap(),0,input);
     HeapFree(GetProcessHeap(),0,syllables);
@@ -2632,7 +2632,7 @@ static void ContextualShape_Gujarati(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS
     *pcGlyphs = cCount;
 
     /* Step 2: Base Form application to syllables */
-    ShapeIndicSyllables(hdc, psc, psa, input, cCount, syllables, syllable_count, pwOutGlyphs, pcGlyphs, pwLogClust, gujarati_lex, NULL, modern);
+    ShapeIndicSyllables(hdc, psc, psa, input, cChars, syllables, syllable_count, pwOutGlyphs, pcGlyphs, pwLogClust, gujarati_lex, NULL, modern);
 
     HeapFree(GetProcessHeap(),0,input);
     HeapFree(GetProcessHeap(),0,syllables);
@@ -2688,7 +2688,7 @@ static void ContextualShape_Oriya(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *ps
     *pcGlyphs = cCount;
 
     /* Step 3: Base Form application to syllables */
-    ShapeIndicSyllables(hdc, psc, psa, input, cCount, syllables, syllable_count, pwOutGlyphs, pcGlyphs, pwLogClust, oriya_lex, NULL, modern);
+    ShapeIndicSyllables(hdc, psc, psa, input, cChars, syllables, syllable_count, pwOutGlyphs, pcGlyphs, pwLogClust, oriya_lex, NULL, modern);
 
     HeapFree(GetProcessHeap(),0,input);
     HeapFree(GetProcessHeap(),0,syllables);
@@ -2738,7 +2738,7 @@ static void ContextualShape_Tamil(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *ps
     *pcGlyphs = cCount;
 
     /* Step 3: Base Form application to syllables */
-    ShapeIndicSyllables(hdc, psc, psa, input, cCount, syllables, syllable_count, pwOutGlyphs, pcGlyphs, pwLogClust, tamil_lex, SecondReorder_Like_Tamil, modern);
+    ShapeIndicSyllables(hdc, psc, psa, input, cChars, syllables, syllable_count, pwOutGlyphs, pcGlyphs, pwLogClust, tamil_lex, SecondReorder_Like_Tamil, modern);
 
     HeapFree(GetProcessHeap(),0,input);
     HeapFree(GetProcessHeap(),0,syllables);
@@ -2787,7 +2787,7 @@ static void ContextualShape_Telugu(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *p
     *pcGlyphs = cCount;
 
     /* Step 3: Base Form application to syllables */
-    ShapeIndicSyllables(hdc, psc, psa, input, cCount, syllables, syllable_count, pwOutGlyphs, pcGlyphs, pwLogClust, telugu_lex, SecondReorder_Like_Telugu, modern);
+    ShapeIndicSyllables(hdc, psc, psa, input, cChars, syllables, syllable_count, pwOutGlyphs, pcGlyphs, pwLogClust, telugu_lex, SecondReorder_Like_Telugu, modern);
 
     HeapFree(GetProcessHeap(),0,input);
     HeapFree(GetProcessHeap(),0,syllables);
@@ -2839,7 +2839,7 @@ static void ContextualShape_Kannada(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *
     *pcGlyphs = cCount;
 
     /* Step 3: Base Form application to syllables */
-    ShapeIndicSyllables(hdc, psc, psa, input, cCount, syllables, syllable_count, pwOutGlyphs, pcGlyphs, pwLogClust, kannada_lex, SecondReorder_Like_Telugu, modern);
+    ShapeIndicSyllables(hdc, psc, psa, input, cChars, syllables, syllable_count, pwOutGlyphs, pcGlyphs, pwLogClust, kannada_lex, SecondReorder_Like_Telugu, modern);
 
     HeapFree(GetProcessHeap(),0,input);
     HeapFree(GetProcessHeap(),0,syllables);
@@ -2884,7 +2884,7 @@ static void ContextualShape_Malayalam(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS
     *pcGlyphs = cCount;
 
     /* Step 3: Base Form application to syllables */
-    ShapeIndicSyllables(hdc, psc, psa, input, cCount, syllables, syllable_count, pwOutGlyphs, pcGlyphs, pwLogClust, malayalam_lex, SecondReorder_Like_Tamil, modern);
+    ShapeIndicSyllables(hdc, psc, psa, input, cChars, syllables, syllable_count, pwOutGlyphs, pcGlyphs, pwLogClust, malayalam_lex, SecondReorder_Like_Tamil, modern);
 
     HeapFree(GetProcessHeap(),0,input);
     HeapFree(GetProcessHeap(),0,syllables);