diff --git a/Source/Editor/Viewport/MainEditorGizmoViewport.cs b/Source/Editor/Viewport/MainEditorGizmoViewport.cs
index ab1b8b312..3f35b6c63 100644
--- a/Source/Editor/Viewport/MainEditorGizmoViewport.cs
+++ b/Source/Editor/Viewport/MainEditorGizmoViewport.cs
@@ -611,7 +611,7 @@ namespace FlaxEditor.Viewport
 
             // Don't allow rubber band selection when gizmo is controlling mouse, vertex painting mode, or cloth painting is enabled
             bool canStart = !(IsControllingMouse || IsRightMouseButtonDown || IsAltKeyDown) &&
-                            Gizmos.Active is TransformGizmo && !Gizmos.Active.IsControllingMouse;
+                            Gizmos?.Active is TransformGizmo && !Gizmos.Active.IsControllingMouse;
             _rubberBandSelector.TryCreateRubberBand(canStart, _viewMousePos, ViewFrustum);
         }