diff --git a/src/Avalonia.Input/NavigationDirection.cs b/src/Avalonia.Input/NavigationDirection.cs
index 34bedac141..9b9af0b0a6 100644
--- a/src/Avalonia.Input/NavigationDirection.cs
+++ b/src/Avalonia.Input/NavigationDirection.cs
@@ -102,7 +102,7 @@ namespace Avalonia.Input
             switch (key)
             {
                 case Key.Tab:
-                    return (modifiers & KeyModifiers.Shift) != 0 ?
+                    return (modifiers & KeyModifiers.Shift) == 0 ?
                         NavigationDirection.Next : NavigationDirection.Previous;
                 case Key.Up:
                     return NavigationDirection.Up;