diff --git a/csharp/Lib/Utils/StringUtils.cs b/csharp/Lib/Utils/StringUtils.cs
index 774706efe..284d43cf8 100644
--- a/csharp/Lib/Utils/StringUtils.cs
+++ b/csharp/Lib/Utils/StringUtils.cs
@@ -375,6 +375,11 @@ public static class StringUtils
     {
         return $"{prefix}{target.TrimStart(prefix)}";
     }
+    
+    public static String EnsureEndsWith(this String target, String postfix)
+    {
+        return $"{target.TrimEnd(postfix)}{postfix}";
+    }
 
 
 }
\ No newline at end of file