diff --git a/eval/eval_jax.py b/eval/eval_jax.py
index 79028b6..0efa19a 100644
--- a/eval/eval_jax.py
+++ b/eval/eval_jax.py
@@ -28,5 +28,5 @@
 print("v^2/x < 100 case")
 print(df.query("condition < 100")[["diff", "rdiff", "absrdiff"]].describe())
 
-os.makedirs("eval/results")
+os.makedirs("eval/results", exist_ok=True)
 df.to_csv("eval/results/logk_jax_int_64.csv")