diff --git a/src/OT/glyf/VarCompositeGlyph.hh b/src/OT/glyf/VarCompositeGlyph.hh
index 6dfdaf92f..fd91c4353 100644
--- a/src/OT/glyf/VarCompositeGlyph.hh
+++ b/src/OT/glyf/VarCompositeGlyph.hh
@@ -140,9 +140,8 @@ struct VarCompositeGlyphRecord
     if (!translateX && !translateY)
       return;
 
-    // https://github.com/fonttools/fonttools/blob/f66ee05f71c8b57b5f519ee975e95edcd1466e14/Lib/fontTools/misc/transform.py#L213
-    float other[6] = {1.f, 0.f, 0.f, 1.f, translateX, translateY};
-    transform (matrix, trans, other);
+    trans.x += matrix[0] * translateX + matrix[2] * translateY;
+    trans.y += matrix[1] * translateX + matrix[3] * translateY;
   }
 
   static void scale (float (&matrix)[4], contour_point_t &trans,