diff --git a/src/voxkit/engines/w2tg_engine.py b/src/voxkit/engines/w2tg_engine.py
index 661adce..f082dfa 100644
--- a/src/voxkit/engines/w2tg_engine.py
+++ b/src/voxkit/engines/w2tg_engine.py
@@ -85,7 +85,7 @@
             name="use_speaker_adaptation",
             label="Use Speaker Adaptation",
             field_type=FieldType.CHECKBOX,
-            default_value=False,
+            default_value=True,
             tooltip="Enable speaker adaptation for better alignment results.",
         ),
         FieldConfig(