diff --git a/Source/Editor/GUI/Docking/FloatWindowDockPanel.cs b/Source/Editor/GUI/Docking/FloatWindowDockPanel.cs
index 302508f5c..a1dc73068 100644
--- a/Source/Editor/GUI/Docking/FloatWindowDockPanel.cs
+++ b/Source/Editor/GUI/Docking/FloatWindowDockPanel.cs
@@ -139,6 +139,8 @@ namespace FlaxEditor.GUI.Docking
         /// <inheritdoc />
         protected override void OnLastTabRemoved()
         {
+            if (ChildPanelsCount > 0)
+                return;
             // Close window
             _window?.Close();
         }