diff --git a/src/vs/workbench/parts/preferences/electron-browser/preferencesSearch.ts b/src/vs/workbench/parts/preferences/electron-browser/preferencesSearch.ts
index cbe1c4bb8f006b2d7f58448fdbd5991ac5e1bf82..2f960fa001ee0bbb282a7e14656fdc5ab30ef96b 100644
--- a/src/vs/workbench/parts/preferences/electron-browser/preferencesSearch.ts
+++ b/src/vs/workbench/parts/preferences/electron-browser/preferencesSearch.ts
@@ -45,7 +45,8 @@ export class PreferencesSearchService extends Disposable implements IPreferences
 			// Filter to enabled extensions that have settings
 			return exts
 				.filter(ext => this.extensionEnablementService.isEnabled(ext.identifier))
-				.filter(ext => ext.manifest.contributes && ext.manifest.contributes.configuration);
+				.filter(ext => ext.manifest.contributes && ext.manifest.contributes.configuration)
+				.filter(ext => !!ext.identifier.uuid);
 		});
 	}