diff --git a/src/aiidalab_qe/app/result/components/status/process_tree/tree.py b/src/aiidalab_qe/app/result/components/status/process_tree/tree.py
index 636bee34d..cb560f741 100644
--- a/src/aiidalab_qe/app/result/components/status/process_tree/tree.py
+++ b/src/aiidalab_qe/app/result/components/status/process_tree/tree.py
@@ -175,7 +175,8 @@ def update(self, node=None):
         node = node or self.process_node
         super().update(node)
         self.tally.value = self._get_tally(node)
-        self._add_branches(node)
+        if not self.collapsed:
+            self._add_branches(node)
         branch: TreeNode
         for branch in self.branches.children:
             branch.update()
@@ -214,7 +215,8 @@ def _build_header(self, node, level):
             self.tally,
         ]
 
-    def _add_branches(self, node):
+    def _add_branches(self, node=None):
+        node = node or self.process_node
         for child in node.called:
             if child.pk in self.pks:
                 continue
@@ -231,6 +233,7 @@ def _add_branches(self, node):
                     level=self.level + 1,
                     on_inspect=self.on_inspect,
                 )
+                branch.update()
                 self.branches.children += (branch,)
                 self.pks.add(child.pk)
 
@@ -255,6 +258,7 @@ def _toggle_branches(self, _):
         if self.collapsed:
             self.branches.add_class("open")
             self.toggle.icon = "minus"
+            self._add_branches()
         else:
             self.branches.remove_class("open")
             self.toggle.icon = "plus"