diff --git a/Flow.Launcher/MainWindow.xaml b/Flow.Launcher/MainWindow.xaml
index f0f6c981e..139789ea6 100644
--- a/Flow.Launcher/MainWindow.xaml
+++ b/Flow.Launcher/MainWindow.xaml
@@ -12,7 +12,7 @@
     xmlns:vm="clr-namespace:Flow.Launcher.ViewModel"
     Name="FlowMainWindow"
     Title="Flow Launcher"
-    Width="{Binding MainWindowWidth, Mode=TwoWay}"
+    Width="{Binding MainWindowWidth, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}"
     MinWidth="430"
     MinHeight="30"
     d:DataContext="{d:DesignInstance Type=vm:MainViewModel}"
diff --git a/Flow.Launcher/MainWindow.xaml.cs b/Flow.Launcher/MainWindow.xaml.cs
index 7b497f394..6b77ae569 100644
--- a/Flow.Launcher/MainWindow.xaml.cs
+++ b/Flow.Launcher/MainWindow.xaml.cs
@@ -131,7 +131,7 @@ namespace Flow.Launcher
                 }
             }
 
-            _settings.WindowSize = Width;
+            _viewModel.MainWindowWidth = Width;
             FlowMainWindow.SizeToContent = SizeToContent.Height;
         }