diff --git a/src/vs/workbench/contrib/extensions/browser/extensionsList.ts b/src/vs/workbench/contrib/extensions/browser/extensionsList.ts
index 565f74c9aae..4e89ae5c8af 100644
--- a/src/vs/workbench/contrib/extensions/browser/extensionsList.ts
+++ b/src/vs/workbench/contrib/extensions/browser/extensionsList.ts
@@ -80,7 +80,7 @@ export class Renderer implements IPagedRenderer<IExtension, ITemplateData> {
 		const preReleaseWidget = this.instantiationService.createInstance(PreReleaseBookmarkWidget, append(root, $('.extension-bookmark-container')));
 		const element = append(root, $('.extension-list-item'));
 		const iconContainer = append(element, $('.icon-container'));
-		const icon = append(iconContainer, $<HTMLImageElement>('img.icon'));
+		const icon = append(iconContainer, $<HTMLImageElement>('img.icon', { alt: '' }));
 		const iconRemoteBadgeWidget = this.instantiationService.createInstance(RemoteBadgeWidget, iconContainer, false);
 		const extensionPackBadgeWidget = this.instantiationService.createInstance(ExtensionPackBadgeWidget, iconContainer);
 		const details = append(element, $('.details'));