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 9dc8ce9e6dbcae08effdb32ddf9f92a1fe4ef514..b2b7bd60bc2ec51eda2b631f8210a3857ba8d55d 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
@@ -259,7 +259,7 @@ def test_masa_enc_dec(
                     record_property("MLD", mld)
 
                 max_diff = 0
-                if pcmcmp_res:
+                if filecmp_res:
                     search_result = re.search(MAX_DIFF_PATTERN, reason)
                     max_diff = search_result.groups(1)[0]
                 record_property("MAXIMUM ABS DIFF", max_diff)