diff --git a/src/axolotl/integrations/liger/args.py b/src/axolotl/integrations/liger/args.py
index 02ece3143..19d19df8b 100644
--- a/src/axolotl/integrations/liger/args.py
+++ b/src/axolotl/integrations/liger/args.py
@@ -36,6 +36,8 @@ class LigerArgs(BaseModel):
     liger_cross_entropy: Optional[bool] = None
     liger_fused_linear_cross_entropy: Optional[bool] = None
 
+    liger_pref_rl: Optional[bool] = None
+
     @model_validator(mode="before")
     @classmethod
     def check_deprecated_swiglu(cls, data):