diff --git a/src/aiidalab_qe/app/result/components/viewer/structure/structure.py b/src/aiidalab_qe/app/result/components/viewer/structure/structure.py
index 7ef5bbefd..d25c18cf5 100644
--- a/src/aiidalab_qe/app/result/components/viewer/structure/structure.py
+++ b/src/aiidalab_qe/app/result/components/viewer/structure/structure.py
@@ -9,5 +9,5 @@ class StructureResults(ResultsPanel[StructureResultsModel]):
     identifier = "structure"
 
     def _render(self):
-        widget = StructureDataViewer(structure=self._model.outputs.structure)
-        self.children = [widget]
+        self.widget = StructureDataViewer(structure=self._model.outputs.structure)
+        self.children = [self.widget]
diff --git a/src/aiidalab_qe/common/panel.py b/src/aiidalab_qe/common/panel.py
index c595b5b03..574eaad61 100644
--- a/src/aiidalab_qe/common/panel.py
+++ b/src/aiidalab_qe/common/panel.py
@@ -650,7 +650,10 @@ def _on_load_results_click(self, _):
     def _load_results(self):
         self.children = [self.loading_message]
         self._render()
-        self.rendered = True
+        # HACK if this is the structure results panel, we want to
+        # always rerender to refresh the NGL viewer, which does not
+        # handle resize correctly.
+        self.rendered = self._model.identifier != "structure"
         self._post_render()
         self.has_controls = False
 
diff --git a/tests/test_plugins_bands.py b/tests/test_plugins_bands.py
index 10d9bf902..a6067bab4 100644
--- a/tests/test_plugins_bands.py
+++ b/tests/test_plugins_bands.py
@@ -8,7 +8,7 @@ def test_result(generate_qeapp_workchain):
     model = BandsResultsModel()
     model.process_uuid = workchain.node.uuid
     result = BandsResultsPanel(model=model)
-    result.render()
+    result._render()
 
     widget = result.children[0]
     model = widget._model
diff --git a/tests/test_plugins_pdos.py b/tests/test_plugins_pdos.py
index f2e0c79da..8bad6bd03 100644
--- a/tests/test_plugins_pdos.py
+++ b/tests/test_plugins_pdos.py
@@ -8,7 +8,7 @@ def test_result(generate_qeapp_workchain):
     model = PdosResultsModel()
     model.process_uuid = workchain.node.uuid
     result = PdosResultsPanel(model=model)
-    result.render()
+    result._render()
 
     widget = result.children[0]
     model = widget._model