diff --git a/src/vs/workbench/api/browser/mainThreadCommands.ts b/src/vs/workbench/api/browser/mainThreadCommands.ts
index ff817619ff775f3c477398dc3f983aa59811dc79..38f6ac6692706f84921f6c79dd4d0a5e3f3ad960 100644
--- a/src/vs/workbench/api/browser/mainThreadCommands.ts
+++ b/src/vs/workbench/api/browser/mainThreadCommands.ts
@@ -34,23 +34,23 @@ export class MainThreadCommands implements MainThreadCommandsShape {
 		this._generateCommandsDocumentationRegistration.dispose();
 	}
 
-	private _generateCommandsDocumentation(): Promise<void> {
-		return this._proxy.$getContributedCommandHandlerDescriptions().then(result => {
-			// add local commands
-			const commands = CommandsRegistry.getCommands();
-			for (const [id, command] of commands) {
-				if (command.description) {
-					result[id] = command.description;
-				}
-			}
+	private async _generateCommandsDocumentation(): Promise<void> {
+		const result = await this._proxy.$getContributedCommandHandlerDescriptions();
 
-			// print all as markdown
-			const all: string[] = [];
-			for (let id in result) {
-				all.push('`' + id + '` - ' + _generateMarkdown(result[id]));
+		// add local commands
+		const commands = CommandsRegistry.getCommands();
+		for (const [id, command] of commands) {
+			if (command.description) {
+				result[id] = command.description;
 			}
-			console.log(all.join('\n'));
-		});
+		}
+
+		// print all as markdown
+		const all: string[] = [];
+		for (let id in result) {
+			all.push('`' + id + '` - ' + _generateMarkdown(result[id]));
+		}
+		console.log(all.join('\n'));
 	}
 
 	$registerCommand(id: string): void {