diff --git a/model_compression_toolkit/gptq/keras/quantization_facade.py b/model_compression_toolkit/gptq/keras/quantization_facade.py
index 7a44ff78f..9c723ae8a 100644
--- a/model_compression_toolkit/gptq/keras/quantization_facade.py
+++ b/model_compression_toolkit/gptq/keras/quantization_facade.py
@@ -66,8 +66,8 @@ def get_keras_gptq_config(n_epochs: int,
                               use_hessian_based_weights: bool = True,
                               regularization_factor: float = None,
                               hessian_batch_size: int = ACT_HESSIAN_DEFAULT_BATCH_SIZE,
-                              use_hessian_sample_attention: bool = False,
-                              gradual_activation_quantization: Union[bool, GradualActivationQuantizationConfig] = False) -> GradientPTQConfig:
+                              use_hessian_sample_attention: bool = True,
+                              gradual_activation_quantization: Union[bool, GradualActivationQuantizationConfig] = True) -> GradientPTQConfig:
         """
         Create a GradientPTQConfig instance for Keras models.