diff --git a/src/Models/DiffOption.cs b/src/Models/DiffOption.cs
index 69f93980..c545bfae 100644
--- a/src/Models/DiffOption.cs
+++ b/src/Models/DiffOption.cs
@@ -99,6 +99,18 @@ namespace SourceGit.Models
             _orgPath = change.OriginalPath;
         }
 
+        /// <summary>
+        ///     Used to show differences between two files.
+        /// </summary>
+        /// <param name="path_lhs"></param>
+        /// <param name="path_rhs"></param>
+        public DiffOption(string path_lhs, string path_rhs)
+        {
+            _extra = "--no-index";
+            _orgPath = path_lhs;
+            _path = path_rhs;
+        }
+
         /// <summary>
         ///     Converts to diff command arguments.
         /// </summary>