diff --git a/nncf/experimental/common/tensor_statistics/collectors.py b/nncf/experimental/common/tensor_statistics/collectors.py
index 1ffd53dceab..2c6ad86416e 100644
--- a/nncf/experimental/common/tensor_statistics/collectors.py
+++ b/nncf/experimental/common/tensor_statistics/collectors.py
@@ -543,7 +543,7 @@ def __init__(self, num_samples: Optional[int]):
         super().__init__(None, num_samples=num_samples)
 
     def _register_reduced_input_impl(self, x: TensorType) -> None:
-        self._container.append(x)
+        self._container.append(deepcopy(x))
 
     def _aggregate_impl(self):
         return self._container
diff --git a/nncf/quantization/algorithms/bias_correction/algorithm.py b/nncf/quantization/algorithms/bias_correction/algorithm.py
index 938a1166f44..63db2ee0adf 100644
--- a/nncf/quantization/algorithms/bias_correction/algorithm.py
+++ b/nncf/quantization/algorithms/bias_correction/algorithm.py
@@ -442,7 +442,7 @@ def _get_bias_shift_magnitude(current_bias_value: Tensor, updated_bias_value: Te
         """
         bias_shift_magnitude = fns.max(
             fns.abs(
-                (updated_bias_value - current_bias_value) / (current_bias_value + fns.finfo(current_bias_value).min)
+                (updated_bias_value - current_bias_value) / (current_bias_value + fns.finfo(current_bias_value).eps)
             )
         )
         return bias_shift_magnitude