diff --git a/pytools/HedwigZarrImage.py b/pytools/HedwigZarrImage.py
index 3b4ba9c..19efec7 100644
--- a/pytools/HedwigZarrImage.py
+++ b/pytools/HedwigZarrImage.py
@@ -216,11 +216,11 @@ def neuroglancer_shader_parameters(self, mad_scale=3) -> dict:
             return {}
         if _shader_type == "Grayscale":
             stats = self._image_statistics(channel=None)
-            window = (stats["median"] - stats["mad"] * mad_scale, stats["median"] + stats["mad"] * mad_scale)
-            window = (max(window[0], stats["min"]), min(window[1], stats["max"]))
+            range = (stats["median"] - stats["mad"] * mad_scale, stats["median"] + stats["mad"] * mad_scale)
+            range = (max(range[0], stats["min"]), min(range[1], stats["max"]))
             return {
-                "window": [math.floor(window[0]), math.ceil(window[1])],
-                "range": [math.floor(stats["min"]), math.ceil(stats["max"])],
+                "range": [math.floor(range[0]), math.ceil(range[1])],
+                "window": [math.floor(stats["min"]), math.ceil(stats["max"])],
             }
 
         if _shader_type == "MultiChannel":
@@ -249,13 +249,13 @@ def neuroglancer_shader_parameters(self, mad_scale=3) -> dict:
                 name = re.sub(r"[^a-zA-Z0-9]+", "_", c_name.lower())
 
                 stats = self._image_statistics(channel=c)
-                window = (stats["median"] - stats["mad"] * mad_scale, stats["median"] + stats["mad"] * mad_scale)
-                window = (max(window[0], stats["min"]), min(window[1], stats["max"]))
+                range = (stats["median"] - stats["mad"] * mad_scale, stats["median"] + stats["mad"] * mad_scale)
+                range = (max(range[0], stats["min"]), min(range[1], stats["max"]))
 
                 json_channel_array.append(
                     {
-                        "window": [math.floor(window[0]), math.ceil(window[1])],
-                        "range": [math.floor(stats["min"]), math.ceil(stats["max"])],
+                        "range": [math.floor(range[0]), math.ceil(range[1])],
+                        "window": [math.floor(stats["min"]), math.ceil(stats["max"])],
                         "name": name,
                         "color": color_sequence[c],
                         "channel": c,
diff --git a/test/test_HedwigZarrImages.py b/test/test_HedwigZarrImages.py
index b63e0a9..99e109e 100644
--- a/test/test_HedwigZarrImages.py
+++ b/test/test_HedwigZarrImages.py
@@ -41,7 +41,7 @@ def temp_zarr_path(request, tmp_path_factory, data_path):
             "XYZ",
             "Grayscale",
             "TCZYX",
-            {"window": [263, 413], "range": [-2664, 1677]},
+            {"window": [-2664, 1677], "range": [263, 413]},
         ),
         ("OM_P1_S1_ScanOnly_1k.zarr", "png", (1, 3, 1, 1024, 521), "XYC", "RGB", "TCZYX", {}),
         ("OM_P1_S1_ScanOnly_1k_tiff.zarr", "tiff", (1, 3, 1, 1024, 521), "XYC", "RGB", "TCZYX", {}),