diff --git a/src/vs/workbench/parts/extensions/electron-browser/extensionsViewlet.ts b/src/vs/workbench/parts/extensions/electron-browser/extensionsViewlet.ts
index 563664eed0c4c4dd060c3049646a37cf8be85efc..8aa56caa2ed2e65ddd4e688a40b4d37e49f01f74 100644
--- a/src/vs/workbench/parts/extensions/electron-browser/extensionsViewlet.ts
+++ b/src/vs/workbench/parts/extensions/electron-browser/extensionsViewlet.ts
@@ -116,7 +116,7 @@ export class ExtensionsViewlet extends Viewlet implements IExtensionsViewlet {
 		chain(this.list.onSelectionChange)
 			.map(e => e.elements[0])
 			.filter(e => !!e)
-			.on(this.openExtension, this, this.disposables);
+			.on(this.extensionsWorkbenchService.open, this, this.disposables);
 
 		return TPromise.as(null);
 	}
@@ -296,11 +296,6 @@ export class ExtensionsViewlet extends Viewlet implements IExtensionsViewlet {
 			.then(result => new PagedModel(result));
 	}
 
-	private openExtension(extension: IExtension): void {
-		this.editorService.openEditor(this.instantiationService.createInstance(ExtensionsInput, extension))
-			.done(null, err => this.onError(err));
-	}
-
 	private onEnter(): void {
 		this.list.setSelection(...this.list.getFocus());
 	}
diff --git a/src/vs/workbench/parts/extensions/electron-browser/extensionsWorkbenchService.ts b/src/vs/workbench/parts/extensions/electron-browser/extensionsWorkbenchService.ts
index 918aafc03a16690c98f0b4720756c7bcee8b66d5..1f7616f5410f8e14c79dc3858f051d3c6d51be7f 100644
--- a/src/vs/workbench/parts/extensions/electron-browser/extensionsWorkbenchService.ts
+++ b/src/vs/workbench/parts/extensions/electron-browser/extensionsWorkbenchService.ts
@@ -368,6 +368,11 @@ export class ExtensionsWorkbenchService implements IExtensionsWorkbenchService {
 			});
 	}
 
+	open(extension: IExtension): void {
+		this.editorService.openEditor(this.instantiationService.createInstance(ExtensionsInput, extension))
+			.done(null, err => this.onError(err));
+	}
+
 	private fromGallery(gallery: IGalleryExtension): Extension {
 		const installedByGalleryId = index(this.installed, e => e.local.metadata ? e.local.metadata.id : '');
 		const id = gallery.id;
@@ -620,15 +625,10 @@ export class ExtensionsWorkbenchService implements IExtensionsWorkbenchService {
 				}
 
 				const extension = result.firstPage[0];
-				this.openExtension(extension);
+				this.open(extension);
 			});
 	}
 
-	private openExtension(extension: IExtension): void {
-		this.editorService.openEditor(this.instantiationService.createInstance(ExtensionsInput, extension))
-			.done(null, err => this.onError(err));
-	}
-
 	dispose(): void {
 		this.disposables = dispose(this.disposables);
 	}