diff --git a/src/commands/whois.ts b/src/commands/whois.ts
index 96b9de5..00ffdd8 100644
--- a/src/commands/whois.ts
+++ b/src/commands/whois.ts
@@ -106,6 +106,9 @@ export default class Whois extends Command {
             case 'cfam':
               langs.push('<:clang:553684262193332278> C/C++');
               break;
+            case 'csharp':
+              langs.push('<:csharp:553684277280112660> C#');
+              break;
             case 'go':
               langs.push('<:Go:703449475405971466> Go');
               break;