diff --git a/Scripts/BlendShape/MaterialValueBindingMerger.cs b/Scripts/BlendShape/MaterialValueBindingMerger.cs
index 447795bb2..54f024045 100644
--- a/Scripts/BlendShape/MaterialValueBindingMerger.cs
+++ b/Scripts/BlendShape/MaterialValueBindingMerger.cs
@@ -64,7 +64,7 @@ namespace VRM
                                 {
                                     var propValue = firstValue
                                         ? (binding.BaseValue + (binding.TargetValue - binding.BaseValue) * value)
-                                        : (target.GetVector(binding.ValueName) + (binding.TargetValue - binding.BaseValue) * value)
+                                        : (target.GetVector(valueName) + (binding.TargetValue - binding.BaseValue) * value)
                                         ;
                                     var src = target.GetVector(valueName);
                                     src.x = propValue.x; // horizontal only
@@ -80,7 +80,7 @@ namespace VRM
                                 {
                                     var propValue = firstValue
                                         ? (binding.BaseValue + (binding.TargetValue - binding.BaseValue) * value)
-                                        : (target.GetVector(binding.ValueName) + (binding.TargetValue - binding.BaseValue) * value)
+                                        : (target.GetVector(valueName) + (binding.TargetValue - binding.BaseValue) * value)
                                         ;
                                     var src = target.GetVector(valueName);
                                     src.y = propValue.y; // vertical only
diff --git a/Scripts/BlendShape/PreviewSceneManager.cs b/Scripts/BlendShape/PreviewSceneManager.cs
index 0ed21272f..513784fa8 100644
--- a/Scripts/BlendShape/PreviewSceneManager.cs
+++ b/Scripts/BlendShape/PreviewSceneManager.cs
@@ -262,7 +262,7 @@ namespace VRM
                             }
 
                             var value = item.Material.GetVector(valueName);
-                            Debug.LogFormat("{0} => {1}", valueName, x.TargetValue);
+                            //Debug.LogFormat("{0} => {1}", valueName, x.TargetValue);
                             value += ((x.TargetValue - x.BaseValue) * bake.Weight);
                             item.Material.SetColor(valueName, value);
                         }