diff --git a/src/ViewModels/DiffContext.cs b/src/ViewModels/DiffContext.cs
index 9d3486a1..05e9d833 100644
--- a/src/ViewModels/DiffContext.cs
+++ b/src/ViewModels/DiffContext.cs
@@ -145,6 +145,12 @@ namespace SourceGit.ViewModels
             LoadDiffContent();
         }
 
+        public void ToggleTwoSideDiff()
+        {
+            Preference.Instance.UseSideBySideDiff = !Preference.Instance.UseSideBySideDiff;
+            RefreshChangeBlockIndicator();
+        }
+
         public void OpenExternalMergeTool()
         {
             var toolType = Preference.Instance.ExternalMergeToolType;
diff --git a/src/Views/DiffView.axaml b/src/Views/DiffView.axaml
index e904f4a4..c555e903 100644
--- a/src/Views/DiffView.axaml
+++ b/src/Views/DiffView.axaml
@@ -131,7 +131,8 @@
 
             <ToggleButton Classes="line_path"
                           Width="28" Height="18"
-                          IsChecked="{Binding Source={x:Static vm:Preference.Instance}, Path=UseSideBySideDiff, Mode=TwoWay}"
+                          Command="{Binding ToggleTwoSideDiff}"
+                          IsChecked="{Binding Source={x:Static vm:Preference.Instance}, Path=UseSideBySideDiff, Mode=OneWay}"
                           IsVisible="{Binding IsTextDiff}"
                           ToolTip.Tip="{DynamicResource Text.Diff.SideBySide}">
               <Path Width="12" Height="12" Data="{StaticResource Icons.LayoutHorizontal}" Margin="0,2,0,0"/>