diff --git a/integtest/large_trigger_record_test.py b/integtest/large_trigger_record_test.py
index b8c9760..e6324c2 100644
--- a/integtest/large_trigger_record_test.py
+++ b/integtest/large_trigger_record_test.py
@@ -219,10 +219,12 @@ def test_data_files(run_nanorc):
     local_event_count_tolerance = expected_event_count_tolerance
     fragment_check_list = [triggercandidate_frag_params]
     current_test = os.environ.get("PYTEST_CURRENT_TEST")
-    match_obj = re.search(r".*\[(.+)-run_nanorc0\].*", current_test)
-    if match_obj:
-        current_test = match_obj.group(1)
-    if current_test == "TRSize_125PercentOfMaxFileSize":
+    # 30-Dec-2025, KAB: modified the following "if" statement to check if the desired
+    # configuration name is contained in the current test name (instead of using an "if"
+    # clause that tests if the first part of the current test name is *equal* to the config
+    # name). This change is needed now because current test name has more information
+    # in it, and a simple comparison no longer works.
+    if "TRSize_125PercentOfMaxFileSize" in current_test:
         fragment_check_list.append(wibeth_frag_125pct_params)
     else:
         fragment_check_list.append(wibeth_frag_55pct_params)