diff --git a/src/extension.ts b/src/extension.ts
index 9df9f0a..904088f 100644
--- a/src/extension.ts
+++ b/src/extension.ts
@@ -32,7 +32,7 @@ export function activate(context: ExtensionContext) {
 }
 
 function setLanguageSettings(langId: string) {
-  if (langId === "csharp") {
+  if (langId === "csharp" || langId === "ruby") {
     regionStartKey = "#region";
     regionEndKey = "#endregion";
     regionRegex = /#(region|endregion).*\r\n/;