diff --git a/CHANGELOG.md b/CHANGELOG.md
index ed80915..03e51af 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,7 +1,7 @@
 # Changelog
 
-## Version 0.0.11
-- BUGFIX: `to_anndata()` only populates `obsm` with spatial coordinates if the original `SpatialExperiment` has spatial coordinates (PR #53)
+## Version 0.0.11-0.0.12
+- BUGFIX: `to_anndata()` only populates `obsm` with spatial coordinates if the original `SpatialExperiment` has spatial coordinates (PR #53, #54)
 
 
 ## Version 0.0.10
diff --git a/src/spatialexperiment/spatialexperiment.py b/src/spatialexperiment/spatialexperiment.py
index bdf69e6..da60c08 100644
--- a/src/spatialexperiment/spatialexperiment.py
+++ b/src/spatialexperiment/spatialexperiment.py
@@ -1051,7 +1051,7 @@ def to_anndata(self, include_alternative_experiments: bool = False) -> "anndata.
                 "tissue_hires_scalef": row["scale_factor"]
             }  # default to `tissue_hires_scalef` for now
 
-        if len(self.spatial_coordinates) > 0:
+        if self.spatial_coords_names:
             coords_by_axis = [self.spatial_coordinates[axis] for axis in self.spatial_coords_names]
             obj.obsm["spatial"] = np.column_stack(coords_by_axis)