diff --git a/nwbwidgets/ophys.py b/nwbwidgets/ophys.py
index 8ca02a54..3cf14bb9 100644
--- a/nwbwidgets/ophys.py
+++ b/nwbwidgets/ophys.py
@@ -279,7 +279,7 @@ def show_plane_segmentation_2d(
         plane_seg_hover_dict = {
             key: self.plane_seg[key].data
             for key in self.plane_seg.colnames
-            if key not in ["pixel_mask", "image_mask"]
+            if len(self.plane_seg[key].data.shape) == 1
         }
         plane_seg_hover_dict.update(id=self.plane_seg.id.data)
         plane_seg_hover_df = pd.DataFrame(plane_seg_hover_dict)