diff --git a/Source/Editor/Viewport/EditorViewport.cs b/Source/Editor/Viewport/EditorViewport.cs
index f56370352..b4fb8f8f1 100644
--- a/Source/Editor/Viewport/EditorViewport.cs
+++ b/Source/Editor/Viewport/EditorViewport.cs
@@ -1168,14 +1168,15 @@ namespace FlaxEditor.Viewport
                 {
                     offset = Float2.Zero;
                 }
-                offset.X = offset.X > 0 ? Mathf.Floor(offset.X) : Mathf.Ceil(offset.X);
-                offset.Y = offset.Y > 0 ? Mathf.Floor(offset.Y) : Mathf.Ceil(offset.Y);
-                _mouseDelta = offset / size;
-                _mouseDelta.Y *= size.Y / size.X;
 
                 var mouseDelta = Float2.Zero;
                 if (_useMouseFiltering)
                 {
+                    offset.X = offset.X > 0 ? Mathf.Floor(offset.X) : Mathf.Ceil(offset.X);
+                    offset.Y = offset.Y > 0 ? Mathf.Floor(offset.Y) : Mathf.Ceil(offset.Y);
+                    _mouseDelta = offset / size;
+                    _mouseDelta.Y *= size.Y / size.X;
+
                     // Update delta filtering buffer
                     _deltaFilteringBuffer[_deltaFilteringStep] = _mouseDelta;
                     _deltaFilteringStep++;
@@ -1192,6 +1193,8 @@ namespace FlaxEditor.Viewport
                 }
                 else
                 {
+                    _mouseDelta = offset / size;
+                    _mouseDelta.Y *= size.Y / size.X;
                     mouseDelta = _mouseDelta;
                 }