diff --git a/openpype/tools/project_manager/project_manager/model.py b/openpype/tools/project_manager/project_manager/model.py
index 1d48e78a19..7617275b91 100644
--- a/openpype/tools/project_manager/project_manager/model.py
+++ b/openpype/tools/project_manager/project_manager/model.py
@@ -115,6 +115,7 @@ class HierarchyModel(QtCore.QAbstractItemModel):
     }
 
     index_moved = QtCore.Signal(QtCore.QModelIndex)
+    project_changed = QtCore.Signal()
 
     def __init__(self, dbcon, parent=None):
         super(HierarchyModel, self).__init__(parent)
@@ -281,6 +282,8 @@ class HierarchyModel(QtCore.QAbstractItemModel):
 
             self.add_items(task_items, asset_item)
 
+        self.project_changed.emit()
+
     def rowCount(self, parent=None):
         if parent is None or not parent.isValid():
             parent_item = self._root_item
diff --git a/openpype/tools/project_manager/project_manager/view.py b/openpype/tools/project_manager/project_manager/view.py
index 0131687541..02d5b40fd6 100644
--- a/openpype/tools/project_manager/project_manager/view.py
+++ b/openpype/tools/project_manager/project_manager/view.py
@@ -145,6 +145,7 @@ class HierarchyView(QtWidgets.QTreeView):
 
         source_model.index_moved.connect(self._on_rows_moved)
         self.customContextMenuRequested.connect(self._on_context_menu)
+        self._source_model.project_changed.connect(self._on_project_reset)
 
         self._project_doc_cache = project_doc_cache
         self._tools_cache = tools_cache
@@ -153,6 +154,20 @@ class HierarchyView(QtWidgets.QTreeView):
         self._column_delegates = column_delegates
         self._column_key_to_index = column_key_to_index
 
+    def header_init(self):
+        header = self.header()
+        header.setStretchLastSection(False)
+        for idx in range(header.count()):
+            logical_index = header.logicalIndex(idx)
+            if idx == 0:
+                header.setSectionResizeMode(
+                    logical_index, QtWidgets.QHeaderView.Stretch
+                )
+            else:
+                header.setSectionResizeMode(
+                    logical_index, QtWidgets.QHeaderView.ResizeToContents
+                )
+
     def set_project(self, project_name):
         # Trigger helpers first
         self._project_doc_cache.set_project(project_name)
@@ -161,6 +176,9 @@ class HierarchyView(QtWidgets.QTreeView):
         # Trigger update of model after all data for delegates are filled
         self._source_model.set_project(project_name)
 
+    def _on_project_reset(self):
+        self.header_init()
+
         self.collapseAll()
 
         project_item = self._source_model.project_item
diff --git a/openpype/tools/project_manager/project_manager/window.py b/openpype/tools/project_manager/project_manager/window.py
index c4243c3cc3..49c48912cf 100644
--- a/openpype/tools/project_manager/project_manager/window.py
+++ b/openpype/tools/project_manager/project_manager/window.py
@@ -75,19 +75,6 @@ class Window(QtWidgets.QWidget):
         _selection_model.setModel(hierarchy_view.model())
         hierarchy_view.setSelectionModel(_selection_model)
 
-        header = hierarchy_view.header()
-        header.setStretchLastSection(False)
-        for idx in range(header.count()):
-            logical_index = header.logicalIndex(idx)
-            if idx == 0:
-                header.setSectionResizeMode(
-                    logical_index, QtWidgets.QHeaderView.Stretch
-                )
-            else:
-                header.setSectionResizeMode(
-                    logical_index, QtWidgets.QHeaderView.ResizeToContents
-                )
-
         buttons_widget = QtWidgets.QWidget(self)
 
         message_label = QtWidgets.QLabel(buttons_widget)