diff --git a/types/angular-loading-bar/index.d.ts b/types/angular-loading-bar/index.d.ts
index 191fc043ed..8990f7bcf7 100644
--- a/types/angular-loading-bar/index.d.ts
+++ b/types/angular-loading-bar/index.d.ts
@@ -30,6 +30,10 @@ declare module 'angular' {
 			* Latency Threshold
 			*/
 			latencyThreshold?: number;
+			/**
+			 * HTML eliment selector of parent
+			 */
+			parentSelector?: string;
 		}
 	}