diff --git a/pandas/tests/groupby/test_raises.py b/pandas/tests/groupby/test_raises.py
index 5457f5ba050c6..bc39f67829792 100644
--- a/pandas/tests/groupby/test_raises.py
+++ b/pandas/tests/groupby/test_raises.py
@@ -696,7 +696,7 @@ def test_groupby_raises_category_on_category(
         "nunique": (None, ""),
         "pct_change": (TypeError, "unsupported operand type"),
         "prod": (TypeError, "category type does not support prod operations"),
-        "quantile": (TypeError, ""),
+        "quantile": (TypeError, "No matching signature found"),
         "rank": (None, ""),
         "sem": (
             TypeError,