diff --git a/Source/Editor/GUI/Input/ValueBox.cs b/Source/Editor/GUI/Input/ValueBox.cs
index b818c56d5..0d1cbd356 100644
--- a/Source/Editor/GUI/Input/ValueBox.cs
+++ b/Source/Editor/GUI/Input/ValueBox.cs
@@ -259,7 +259,7 @@ namespace FlaxEditor.GUI.Input
         /// <inheritdoc />
         public override void OnMouseMove(Float2 location)
         {
-            if (_isSliding)
+            if (_isSliding && !RootWindow.Window.IsHorizontalFlippingMouse)
             {
                 // Update sliding
                 var slideLocation = location + Root.TrackingMouseOffset;