diff --git a/daq/src/aaredaq/daq.py b/daq/src/aaredaq/daq.py
index e367d76f..1cc6649a 100644
--- a/daq/src/aaredaq/daq.py
+++ b/daq/src/aaredaq/daq.py
@@ -668,7 +668,7 @@ class AareDAQ:
                         if start_x <= img.nx <= end_x and start_y <= img.ny <= end_y]
             print(res_list)
             # Best by res, skipping None
-            best_res = max((img for img in res_list if img.res is not None),
+            best_res = min((img for img in res_list if img.res is not None),
                            key=lambda img: img.res,
                            default=None)
             print(f"Best res: {best_res}")