diff --git a/src/commands/open.ts b/src/commands/open.ts
index 604fd2aab..e0335a306 100644
--- a/src/commands/open.ts
+++ b/src/commands/open.ts
@@ -419,7 +419,7 @@ export function registerOpenCommands(instance: Instance): Disposable[] {
           const editor = window.activeTextEditor;
           if (editor) {
             currentFile = editor.document.uri;
-            commands.executeCommand(`diff`, currentFile, path);
+            commands.executeCommand(`vscode.diff`, currentFile, path);
             quickPick.hide();
           }
         }