diff --git a/osu.Game.Tests/Chat/MessageFormatterTests.cs b/osu.Game.Tests/Chat/MessageFormatterTests.cs
index f0dcd527a4..1baa737a9c 100644
--- a/osu.Game.Tests/Chat/MessageFormatterTests.cs
+++ b/osu.Game.Tests/Chat/MessageFormatterTests.cs
@@ -35,6 +35,15 @@ namespace osu.Game.Tests.Chat
             Assert.AreEqual(0, result.Links.Count);
         }
 
+        [Test]
+        public void TestFakeProtocolLink()
+        {
+            Message result = MessageFormatter.FormatMessage(new Message { Content = "This is a osunotarealprotocol://completely-made-up-protocol we don't support." });
+
+            Assert.AreEqual(result.Content, result.DisplayContent);
+            Assert.AreEqual(0, result.Links.Count);
+        }
+
         [Test]
         public void TestSupportedProtocolLinkParsing()
         {