diff --git a/src/vs/workbench/parts/extensions/electron-browser/extensionsAssistant.ts b/src/vs/workbench/parts/extensions/electron-browser/extensionsAssistant.ts
index 2f3e41accf19a56a28a5caf2de501e1adbd56d7b..f80d8c491c1106b90bfdb7c0ef91f78cefb39288 100644
--- a/src/vs/workbench/parts/extensions/electron-browser/extensionsAssistant.ts
+++ b/src/vs/workbench/parts/extensions/electron-browser/extensionsAssistant.ts
@@ -55,7 +55,7 @@ function monoDebugChecker(accessor, callback) {
 
 const extensionChecker: { [id: string]: LegacyExtensionChecker } = Object.create(null);
 extensionChecker['ms-vscode.omnisharp'] = omnisharpChecker;
-extensionChecker['andreweinand.mono-debug'] = monoDebugChecker;
+extensionChecker['ms-vscode.mono-debug'] = monoDebugChecker;
 
 export function checkForLegacyExtensionNeeds(accessor: ServicesAccessor): void {