diff --git a/helion/autotuner/pattern_search.py b/helion/autotuner/pattern_search.py
index d02e219ec..74834c010 100644
--- a/helion/autotuner/pattern_search.py
+++ b/helion/autotuner/pattern_search.py
@@ -27,7 +27,7 @@ def __init__(
         *,
         initial_population: int = 200,
         copies: int = 5,
-        max_generations: int = 100,
+        max_generations: int = 20,
     ) -> None:
         """
         Create a PatternSearch autotuner.