diff --git a/src/robofish/evaluate/evaluate.py b/src/robofish/evaluate/evaluate.py
index 60eb1ca71b926c7c7f625e945c5ed73331f8f9ca..55935c322bde50e4171e26147e5b899b7252f157 100644
--- a/src/robofish/evaluate/evaluate.py
+++ b/src/robofish/evaluate/evaluate.py
@@ -542,7 +542,7 @@ def evaluate_follow_iid(
             np.quantile(np.concatenate(follow), 0.9),
         ]
     )
-    max_iid = np.quantile(np.concatenate(iid, dtype=np.float32), 0.9)
+    max_iid = np.quantile(np.concatenate(iid), 0.9)
 
     for i in range(len(follow)):