diff --git a/vscode/src/ruby.ts b/vscode/src/ruby.ts
index 8b97d1dc3..57b4150ec 100644
--- a/vscode/src/ruby.ts
+++ b/vscode/src/ruby.ts
@@ -174,7 +174,7 @@ export class Ruby implements RubyInterface {
       }
 
       await vscode.window.showErrorMessage(
-        `Failed to activate ${this.versionManager} environment: ${error.message}`,
+        `Failed to activate ${this.versionManager.identifier} environment: ${error.message}`,
       );
     }
   }