diff --git a/presets/tuning/text-generation/cli.py b/presets/tuning/text-generation/cli.py
index 4de48ad13..d6c0b0680 100644
--- a/presets/tuning/text-generation/cli.py
+++ b/presets/tuning/text-generation/cli.py
@@ -38,7 +38,7 @@ class ExtLoraConfig(LoraConfig):
     Lora Config
     """
     init_lora_weights: bool = field(default=True, metadata={"help": "Enable initialization of LoRA weights"})
-    target_modules: Optional[List[str]] = field(default=DEFAULT_TARGET_MODULES, metadata={"help": ("List of module names to replace with LoRA.")})
+    target_modules: Optional[List[str]] = field(default_factory=lambda: DEFAULT_TARGET_MODULES if DEFAULT_TARGET_MODULES else None, metadata={"help": "List of module names to replace with LoRA."})
     layers_to_transform: Optional[List[int]] = field(default=None, metadata={"help": "Layer indices to apply LoRA"})
     layers_pattern: Optional[List[str]] = field(default=None, metadata={"help": "Pattern to match layers for LoRA"})
     loftq_config: Dict[str, any] = field(default_factory=dict, metadata={"help": "LoftQ configuration for quantization"})