diff --git a/tests/codec_be_on_mr_nonselection/test_masa_enc_dec.py b/tests/codec_be_on_mr_nonselection/test_masa_enc_dec.py
index ffd792363b530d37395345d707ac46ab010cec2e..9a8d8b35d50ffd698012e89016a1905a9df84817 100644
--- a/tests/codec_be_on_mr_nonselection/test_masa_enc_dec.py
+++ b/tests/codec_be_on_mr_nonselection/test_masa_enc_dec.py
@@ -261,10 +261,8 @@ def test_masa_enc_dec(
                     mld = re.search(MLD_PATTERN, reason).groups(1)[0]
                     record_property("MLD", mld)
 
-                max_diff = 0
-                if filecmp_res:
-                    search_result = re.search(MAX_DIFF_PATTERN, reason)
-                    max_diff = search_result.groups(1)[0]
+                search_result = re.search(MAX_DIFF_PATTERN, reason)
+                max_diff = search_result.groups(1)[0]
                 record_property("MAXIMUM ABS DIFF", max_diff)
 
                 # Report compare result