diff --git a/tests/renderer/utils.py b/tests/renderer/utils.py
index 1e0b7c3e030f2e180fae16d61604e590a4d0d1cf..f133f7dc262f66ce5248aaadfe0b2fe788925070 100644
--- a/tests/renderer/utils.py
+++ b/tests/renderer/utils.py
@@ -31,7 +31,6 @@ the United Nations Convention on Contracts on the International Sales of Goods.
 """
 
 import errno
-import filecmp
 import logging
 import os
 import re
@@ -504,6 +503,7 @@ def compare_renderer_args(
     ref_kwargs: Dict,
     cut_kwargs: Dict,
     split_comparison=False,
+    atol=2,
 ):
     out_file_ref = run_renderer(
         record_property,
@@ -525,7 +525,9 @@ def compare_renderer_args(
         split_comparison=split_comparison,
     )
     cut, cut_fs = readfile(out_file_cut)
-    [diff_found, snr, gain_b, max_diff] = check_BE(test_info, ref, ref_fs, cut, cut_fs)
+    [diff_found, snr, gain_b, max_diff] = check_BE(
+        test_info, ref, ref_fs, cut, cut_fs, atol
+    )
     if diff_found:
         pytest.fail(
             f"CuT not BE to REF! SNR : {snr:3.2f} dB, Gain CuT: {gain_b:1.3f}, Max Diff = {int(max_diff)}"