diff --git a/src/Visual_DVM_2021/UI/Main/ProjectForm.java b/src/Visual_DVM_2021/UI/Main/ProjectForm.java
index 9b6ae120..b000acbd 100644
--- a/src/Visual_DVM_2021/UI/Main/ProjectForm.java
+++ b/src/Visual_DVM_2021/UI/Main/ProjectForm.java
@@ -84,6 +84,10 @@ public class ProjectForm implements FormWithSplitters, ProjectWindow {
         ShowProjectView();
         SwitchScreen(Global.db.settings.get(SettingName.SmallScreen).toBoolean());
         RefreshTabsNames();
+        //--
+        UI.mainMenuBar.RightECButton.Switch(Global.properties.collapseProjectTrees);
+        if (Global.properties.collapseProjectTrees)
+            CollapseProjectTrees();
     }
     @Override
     public void SaveSplitters() {