diff --git a/Flow.Launcher.Infrastructure/UserSettings/Settings.cs b/Flow.Launcher.Infrastructure/UserSettings/Settings.cs
index 274f88dc6..f031775b4 100644
--- a/Flow.Launcher.Infrastructure/UserSettings/Settings.cs
+++ b/Flow.Launcher.Infrastructure/UserSettings/Settings.cs
@@ -20,6 +20,7 @@ namespace Flow.Launcher.Infrastructure.UserSettings
         public bool ShowOpenResultHotkey { get; set; } = true;
         public double WindowSize { get; set; } = 580;
         public string PreviewHotkey { get; set; } = $"F1";
+        public string AutoCompleteHotkey { get; set; } = $"F2";
 
         public string Language
         {
diff --git a/Flow.Launcher/MainWindow.xaml b/Flow.Launcher/MainWindow.xaml
index e2c74d367..ede285ef8 100644
--- a/Flow.Launcher/MainWindow.xaml
+++ b/Flow.Launcher/MainWindow.xaml
@@ -46,7 +46,6 @@
     <Window.InputBindings>
         <KeyBinding Key="Escape" Command="{Binding EscCommand}" />
         <KeyBinding Key="F5" Command="{Binding ReloadPluginDataCommand}" />
-        <KeyBinding Key="Tab" Command="{Binding AutocompleteQueryCommand}" />
         <KeyBinding
             Key="Tab"
             Command="{Binding AutocompleteQueryCommand}"
@@ -188,12 +187,16 @@
             Modifiers="Ctrl" />
         <KeyBinding
             Key="C"
-            Modifiers="Ctrl+Shift"
-            Command="{Binding CopyAlternativeCommand}" />
+            Command="{Binding CopyAlternativeCommand}"
+            Modifiers="Ctrl+Shift" />
         <KeyBinding
             Key="{Binding PreviewHotkey, Converter={StaticResource StringToKeyBindingConverter}, ConverterParameter='key'}"
             Command="{Binding TogglePreviewCommand}"
             Modifiers="{Binding PreviewHotkey, Converter={StaticResource StringToKeyBindingConverter}, ConverterParameter='modifiers'}" />
+        <KeyBinding
+            Key="{Binding AutoCompleteHotkey, Converter={StaticResource StringToKeyBindingConverter}, ConverterParameter='key'}"
+            Command="{Binding AutocompleteQueryCommand}"
+            Modifiers="{Binding AutoCompleteHotkey, Converter={StaticResource StringToKeyBindingConverter}, ConverterParameter='modifiers'}" />
     </Window.InputBindings>
     <Grid>
         <Border MouseDown="OnMouseDown" Style="{DynamicResource WindowBorderStyle}">
diff --git a/Flow.Launcher/SettingWindow.xaml b/Flow.Launcher/SettingWindow.xaml
index d10634a49..08a6aec0c 100644
--- a/Flow.Launcher/SettingWindow.xaml
+++ b/Flow.Launcher/SettingWindow.xaml
@@ -2648,7 +2648,7 @@
                                                 Margin="0,0,16,0"
                                                 HorizontalAlignment="Right"
                                                 HorizontalContentAlignment="Right"
-                                                DataContext="{Binding ToggleHotkeyViewModel}"/>
+                                                DataContext="{Binding ToggleHotkeyViewModel}" />
 
                                             <TextBlock Style="{StaticResource Glyph}">
                                                 &#xeda7;
@@ -2665,13 +2665,13 @@
                                                 <TextBlock Style="{DynamicResource SettingSubTitleLabel}" Text="{DynamicResource previewHotkeyToolTip}" />
                                             </StackPanel>
                                             <flowlauncher:HotkeyControl
-                                                DataContext="{Binding PreviewHotkeyViewModel}"
                                                 x:Name="PreviewHotkeyControl"
                                                 Grid.Row="0"
                                                 Grid.Column="2"
                                                 Margin="0,0,16,0"
                                                 HorizontalAlignment="Right"
-                                                HorizontalContentAlignment="Right" />
+                                                HorizontalContentAlignment="Right"
+                                                DataContext="{Binding PreviewHotkeyViewModel}" />
                                             <TextBlock Style="{StaticResource Glyph}">
                                                 &#xe8a1;
                                             </TextBlock>
@@ -2736,6 +2736,27 @@
                                     </StackPanel>
                                 </Border>
 
+                                <StackPanel Grid.Row="2">
+                                    <Border Margin="0,16,0,0" Style="{DynamicResource SettingGroupBox}">
+                                        <ItemsControl Style="{StaticResource SettingGrid}">
+                                            <StackPanel Style="{StaticResource TextPanel}">
+                                                <TextBlock Style="{DynamicResource SettingTitleLabel}" Text="Auto Complete Hotkey" />
+                                                <TextBlock Style="{DynamicResource SettingSubTitleLabel}" Text="Auto Complete Hotkey Subtitle" />
+                                            </StackPanel>
+                                            <flowlauncher:HotkeyControl
+                                                Grid.Row="0"
+                                                Grid.Column="2"
+                                                Margin="0,0,16,0"
+                                                HorizontalAlignment="Right"
+                                                HorizontalContentAlignment="Right"
+                                                DataContext="{Binding AutoCompleteHotkeyViewModel}" />
+                                            <TextBlock Style="{StaticResource Glyph}">
+                                                &#xe765;
+                                            </TextBlock>
+                                        </ItemsControl>
+                                    </Border>
+                                </StackPanel>
+
                                 <TextBlock
                                     Grid.Row="4"
                                     Margin="0,10,12,10"
diff --git a/Flow.Launcher/ViewModel/MainViewModel.cs b/Flow.Launcher/ViewModel/MainViewModel.cs
index 9b799e582..b368d876c 100644
--- a/Flow.Launcher/ViewModel/MainViewModel.cs
+++ b/Flow.Launcher/ViewModel/MainViewModel.cs
@@ -80,6 +80,9 @@ namespace Flow.Launcher.ViewModel
                     case nameof(Settings.PreviewHotkey):
                         OnPropertyChanged(nameof(PreviewHotkey));
                         break;
+                    case nameof(Settings.AutoCompleteHotkey):
+                        OnPropertyChanged(nameof(AutoCompleteHotkey));
+                        break;
                 }
             };
 
@@ -647,6 +650,27 @@ namespace Flow.Launcher.ViewModel
             }
         }
 
+        public string AutoCompleteHotkey
+        {
+            get
+            {
+                // TODO try to patch issue #1755
+                // Added in v1.14.0, remove after v1.16.0. 
+                try
+                {
+                    var converter = new KeyGestureConverter();
+                    var key = (KeyGesture)converter.ConvertFromString(Settings.AutoCompleteHotkey);
+                }
+                catch (Exception e) when (e is NotSupportedException || e is InvalidEnumArgumentException)
+                {
+                    Settings.AutoCompleteHotkey = "F2";
+                }
+
+                return Settings.AutoCompleteHotkey;
+            }
+        }
+
+
         public string Image => Constant.QueryTextBoxIconImagePath;
 
         public bool StartWithEnglishMode => Settings.AlwaysStartEn;
diff --git a/Flow.Launcher/ViewModel/SettingWindowViewModel.cs b/Flow.Launcher/ViewModel/SettingWindowViewModel.cs
index 0ee395331..c9b2519d1 100644
--- a/Flow.Launcher/ViewModel/SettingWindowViewModel.cs
+++ b/Flow.Launcher/ViewModel/SettingWindowViewModel.cs
@@ -82,6 +82,12 @@ namespace Flow.Launcher.ViewModel
                 {
                     Settings.PreviewHotkey = hotkey.ToString();
                 });
+
+            AutoCompleteHotkeyViewModel =
+                new HotkeyControlViewModel(Settings.AutoCompleteHotkey, "F2", false, hotkey =>
+                {
+                    Settings.AutoCompleteHotkey = hotkey.ToString();
+                });
         }
 
         public Settings Settings { get; set; }
@@ -962,6 +968,7 @@ namespace Flow.Launcher.ViewModel
 
         public HotkeyControlViewModel ToggleHotkeyViewModel { get; set; }
         public HotkeyControlViewModel PreviewHotkeyViewModel { get; set; }
+        public HotkeyControlViewModel AutoCompleteHotkeyViewModel { get; set; }
 
         private static DirectoryInfo GetLogDir(string version = "")
         {