diff --git a/CHANGELOG.md b/CHANGELOG.md
index 12e585695..2f8a8b9e7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -16,6 +16,7 @@
 - Pass style to histogram endpoint as json ([#1220](../../pull/1220))
 - Don't show frame controls outside of the geojs viewer ([#1226](../../pull/1226))
 - Fix updating the hidden style field for the frame selector ([#1227](../../pull/1227))
+- Fix a bug calculating some histograms ([#1231](../../pull/1231))
 
 ## 1.23.0
 
diff --git a/large_image/cache_util/cache.py b/large_image/cache_util/cache.py
index 9a02cd070..e999ea7f2 100644
--- a/large_image/cache_util/cache.py
+++ b/large_image/cache_util/cache.py
@@ -199,9 +199,10 @@ def __call__(cls, *args, **kwargs):  # noqa - N805
                 except KeyError:
                     pass
             # This conditionally copies a non-styled class and adds a style.
-            if kwargs.get('style') and hasattr(cls, '_setStyle'):
+            if (kwargs.get('style') and hasattr(cls, '_setStyle') and
+                    kwargs.get('style') != getattr(cls, '_unstyledStyle', None)):
                 subkwargs = kwargs.copy()
-                subkwargs.pop('style')
+                subkwargs['style'] = getattr(cls, '_unstyledStyle', None)
                 subresult = cls(*args, **subkwargs)
                 result = subresult.__class__.__new__(subresult.__class__)
                 with subresult._sourceLock:
diff --git a/large_image/tilesource/geo.py b/large_image/tilesource/geo.py
index 852e95507..91c2c48f5 100644
--- a/large_image/tilesource/geo.py
+++ b/large_image/tilesource/geo.py
@@ -55,6 +55,8 @@ class GDALBaseFileTileSource(GeoBaseFileTileSource):
     (rasterio, mapnik, etc.)
     """
 
+    _unstyledStyle = '{}'
+
     extensions = {
         None: SourcePriority.MEDIUM,
         'geotiff': SourcePriority.PREFERRED,