diff --git a/tilecloud_chain/server.py b/tilecloud_chain/server.py
index c0f9fc7f3..2d75dcc1d 100644
--- a/tilecloud_chain/server.py
+++ b/tilecloud_chain/server.py
@@ -206,7 +206,7 @@ def get_max_zoom_seed(config: tilecloud_chain.DatedConfig, layer_name: str) -> i
         if "min_resolution_seed" in layer:
             max_zoom_seed = -1
             for zoom, resolution in enumerate(config.config["grids"][layer["grid"]]["resolutions"]):
-                if resolution > layer["min_resolution_seed"]:
+                if resolution >= layer["min_resolution_seed"]:
                     max_zoom_seed = zoom
             return max_zoom_seed
         else: