diff --git a/src/nwbinspector/testing.py b/src/nwbinspector/testing.py
index 55f839d56..f376a1314 100644
--- a/src/nwbinspector/testing.py
+++ b/src/nwbinspector/testing.py
@@ -60,7 +60,7 @@ def load_testing_config() -> dict:
             "Please try reinstalling the package."
         )
 
-    with open(file=test_config_file_path) as file:
+    with open(file=TESTING_CONFIG_FILE_PATH) as file:
         test_config = json.load(file)
 
     return test_config