diff --git a/python/ray/tune/suggest/optuna.py b/python/ray/tune/suggest/optuna.py
index 61dd13d62..a966892d0 100644
--- a/python/ray/tune/suggest/optuna.py
+++ b/python/ray/tune/suggest/optuna.py
@@ -98,7 +98,7 @@ class OptunaSearch(Searcher):
             param.suggest_uniform("b", 10, 20)
         ]
 
-        algo = OptunaSearch(
+        optuna_search = OptunaSearch(
             space,
             metric="loss",
             mode="min")