diff --git a/CHANGES.rst b/CHANGES.rst
index 21edc3b17e..df2e074fa4 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -11,7 +11,7 @@ New Features
 
 - The Plot Options plugin now include a 'spline' stretch feature. [#2525]
   
-- User can now remove data from the app completely after removing it from viewers. [#2409]
+- User can now remove data from the app completely after removing it from viewers. [#2409, #2531]
 
 Cubeviz
 ^^^^^^^
diff --git a/jdaviz/app.py b/jdaviz/app.py
index dfd57f050b..e06a26924d 100644
--- a/jdaviz/app.py
+++ b/jdaviz/app.py
@@ -1910,10 +1910,10 @@ def _reparent_subsets(self, old_parent, new_parent=None):
         from astropy.wcs.utils import pixel_to_pixel
 
         if isinstance(old_parent, str):
-            old_parent = self.data_collection(old_parent)
+            old_parent = self.data_collection[old_parent]
 
         if isinstance(new_parent, str):
-            new_parent = self.data_collection(new_parent)
+            new_parent = self.data_collection[new_parent]
         elif new_parent is None:
             for data in self.data_collection:
                 if data is not old_parent:
diff --git a/jdaviz/configs/imviz/tests/test_delete_data.py b/jdaviz/configs/imviz/tests/test_delete_data.py
index 9d7581a827..16d7273482 100644
--- a/jdaviz/configs/imviz/tests/test_delete_data.py
+++ b/jdaviz/configs/imviz/tests/test_delete_data.py
@@ -8,6 +8,13 @@
 
 class TestDeleteData(BaseImviz_WCS_WCS):
 
+    def test_reparent_str(self):
+        for subset in self.imviz.app.data_collection.subset_groups:
+            self.imviz.app._reparent_subsets(
+                subset.subset_state.xatt.parent.label,
+                "has_wcs_1[SCI,1]"
+            )
+
     def test_delete_with_subset_wcs(self):
         # Add a third dataset to test relinking
         arr = np.ones((10, 10))