diff --git a/Flow.Launcher.Infrastructure/UserSettings/Settings.cs b/Flow.Launcher.Infrastructure/UserSettings/Settings.cs
index b9afa819a..99879e64e 100644
--- a/Flow.Launcher.Infrastructure/UserSettings/Settings.cs
+++ b/Flow.Launcher.Infrastructure/UserSettings/Settings.cs
@@ -10,11 +10,11 @@ namespace Flow.Launcher.Infrastructure.UserSettings
     public class Settings : BaseModel
     {
         private string language = "en";
-        private int windowsize = 580;
+        public double windowsize = 580;
         public string Hotkey { get; set; } = $"{KeyConstant.Alt} + {KeyConstant.Space}";
         public string OpenResultModifiers { get; set; } = KeyConstant.Alt;
         public bool ShowOpenResultHotkey { get; set; } = true;
-        public int WindowSize
+        public double WindowSize
         {
             get => windowsize; set
             {
diff --git a/Flow.Launcher/Themes/Base.xaml b/Flow.Launcher/Themes/Base.xaml
index 19612af70..d7df48d93 100644
--- a/Flow.Launcher/Themes/Base.xaml
+++ b/Flow.Launcher/Themes/Base.xaml
@@ -1,6 +1,7 @@
 <ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
                     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-                    xmlns:system="clr-namespace:System;assembly=mscorlib">
+                    xmlns:system="clr-namespace:System;assembly=mscorlib"
+                    xmlns:userSettings="clr-namespace:Flow.Launcher">
 
     <!-- Further font customisations are dynamically loaded in Theme.cs -->
     <Style x:Key="BaseQueryBoxStyle" TargetType="{x:Type TextBox}">
@@ -54,7 +55,7 @@
         <Setter Property="CornerRadius" Value="5" />
     </Style>
     <Style x:Key="BaseWindowStyle" TargetType="{x:Type Window}">
-        <Setter Property="Width" Value="750" />
+        <Setter Property="Width" Value="{Binding WindowWidthSize.windowsize" />
         <Setter Property="RenderOptions.ClearTypeHint" Value="Enabled"/>
     </Style>
 
diff --git a/Flow.Launcher/ViewModel/SettingWindowViewModel.cs b/Flow.Launcher/ViewModel/SettingWindowViewModel.cs
index e85d01b1b..cbb99962b 100644
--- a/Flow.Launcher/ViewModel/SettingWindowViewModel.cs
+++ b/Flow.Launcher/ViewModel/SettingWindowViewModel.cs
@@ -304,6 +304,12 @@ namespace Flow.Launcher.ViewModel
             }
         }
 
+        public double WindowWidthSize
+        {
+            get { return Settings.WindowSize; }
+            set { Settings.WindowSize = value; }
+        }
+
         public bool UseGlyphIcons
         {
             get { return Settings.UseGlyphIcons; }