diff --git a/src/ViewModels/FileHistories.cs b/src/ViewModels/FileHistories.cs
index 6dfcae12..722e450f 100644
--- a/src/ViewModels/FileHistories.cs
+++ b/src/ViewModels/FileHistories.cs
@@ -74,7 +74,7 @@ namespace SourceGit.ViewModels
         {
             if (_isDiffMode)
             {
-                SetViewContentAsDiff();
+                ViewContent = new DiffContext(_repo, new(_revision), _viewContent as DiffContext);
                 return;
             }
 
@@ -152,11 +152,6 @@ namespace SourceGit.ViewModels
             return new FileHistoriesRevisionFile(_file);
         }
 
-        private void SetViewContentAsDiff()
-        {
-            ViewContent = new DiffContext(_repo, new Models.DiffOption(_revision), _viewContent as DiffContext);
-        }
-
         private string _repo = null;
         private string _file = null;
         private Models.FileVersion _revision = null;