diff --git a/onair/config/adapter_config.ini b/onair/config/adapter_config.ini
index 33926d59..7061dab6 100644
--- a/onair/config/adapter_config.ini
+++ b/onair/config/adapter_config.ini
@@ -2,9 +2,9 @@
 
 [DEFAULT]
 TelemetryDataFilePath = data/raw_telemetry_data/
-MetaFiles = adapter_TLM_CONFIG.json
+TelemetryFile = adapter_TLM.txt
 TelemetryMetadataFilePath = data/telemetry_configs/
-TelemetryFiles = adapter_TLM.txt
+MetaFile = adapter_TLM_CONFIG.json
 ParserFileName = forty_two_parser
 ParserName = FortyTwo
 SimName = Adapter
diff --git a/test/onair/src/run_scripts/test_execution_engine.py b/test/onair/src/run_scripts/test_execution_engine.py
index 6a6e19be..b0e89969 100644
--- a/test/onair/src/run_scripts/test_execution_engine.py
+++ b/test/onair/src/run_scripts/test_execution_engine.py
@@ -126,9 +126,9 @@ def test_ExecutionEngine_parse_configs_raises_KeyError_with_config_file_info_whe
     arg_config_filepath = MagicMock()
 
     fake_default = {'TelemetryDataFilePath':MagicMock(),
+                    'TelemetryFile':MagicMock(),
                     'TelemetryMetadataFilePath':MagicMock(),
-                    'MetaFiles':MagicMock(),
-                    'TelemetryFiles':MagicMock(),
+                    'MetaFile':MagicMock(),
                     'BenchmarkFilePath':MagicMock(),
                     'BenchmarkFiles':MagicMock(),
                     'BenchmarkIndices':MagicMock(),
@@ -504,8 +504,8 @@ def __init__(self, data_file, meta_file, subsystems_breakdown):
     fake_processdSimData = MagicMock()
 
     cut = ExecutionEngine.__new__(ExecutionEngine)
-    cut.telemetryFiles = MagicMock()
-    cut.metaFiles = MagicMock()
+    cut.telemetryFile = MagicMock()
+    cut.metaFile = MagicMock()
 
     mocker.patch(execution_engine.__name__ + '.importlib.import_module', return_value=fake_parser)
     mocker.patch(execution_engine.__name__ + '.getattr', return_value=fake_parser_class)