diff --git a/aeon/testing/testing_config.py b/aeon/testing/testing_config.py
index 9d87d0a944..205e14aac1 100644
--- a/aeon/testing/testing_config.py
+++ b/aeon/testing/testing_config.py
@@ -72,6 +72,7 @@
     "SeriesSearch": ["check_non_state_changing_method"],
     # Unknown issue not producing the same results
     "RDSTRegressor": ["check_regressor_against_expected_results"],
+    "RISTRegressor": ["check_regressor_against_expected_results"],
 }
 
 # Exclude specific tests for estimators here only when numba is disabled