diff --git a/src/vs/vscode.d.ts b/src/vs/vscode.d.ts
index 42de798fe0e..e68bdf1b04f 100644
--- a/src/vs/vscode.d.ts
+++ b/src/vs/vscode.d.ts
@@ -5932,7 +5932,7 @@ declare module 'vscode' {
 		 * @param target The uri that should be opened.
 		 * @returns A promise indicating if open was successful.
 		 */
-		export function open(target: Uri): Thenable<boolean>;
+		export function openExternal(target: Uri): Thenable<boolean>;
 	}
 
 	/**
diff --git a/src/vs/workbench/api/node/extHost.api.impl.ts b/src/vs/workbench/api/node/extHost.api.impl.ts
index ebdf93c02d4..02fd3f33913 100644
--- a/src/vs/workbench/api/node/extHost.api.impl.ts
+++ b/src/vs/workbench/api/node/extHost.api.impl.ts
@@ -256,7 +256,7 @@ export function createApiFactory(
 			get clipboard(): vscode.Clipboard {
 				return extHostClipboard;
 			},
-			open(uri: URI) {
+			openExternal(uri: URI) {
 				return extHostWindow.openUri(uri);
 			}
 		});