diff --git a/tests/unit/reports/test_base_report.py b/tests/unit/reports/test_base_report.py
index e7819392..3a82d7f9 100644
--- a/tests/unit/reports/test_base_report.py
+++ b/tests/unit/reports/test_base_report.py
@@ -232,7 +232,10 @@ def test_generate_metadata_not_dict(self):
         metadata = 'metadata'
 
         # Run and Assert
-        expected_message = 'The provided metadata is not a dictionary.'
+        expected_message = (
+            "Expected a dictionary but received a 'str' instead. For SDV metadata objects, "
+            "please use the 'to_dict' function to convert it to a dictionary."
+        )
         with pytest.raises(TypeError, match=expected_message):
             base_report.generate(real_data, synthetic_data, metadata, verbose=False)