diff --git a/public/react/src/modules/testpaper/Testpaperlibrary.js b/public/react/src/modules/testpaper/Testpaperlibrary.js
index b36ffd5b7..af80cde75 100644
--- a/public/react/src/modules/testpaper/Testpaperlibrary.js
+++ b/public/react/src/modules/testpaper/Testpaperlibrary.js
@@ -133,7 +133,9 @@ class Testpaperlibrary extends Component {
 	callback = (key) => {
 		this.setState({
 			defaultActiveKey: key,
-			difficulty:null
+			difficulty:null,
+			keywords:null,
+			page:1,
 		})
 		var data={
 			page:1,
@@ -141,7 +143,7 @@ class Testpaperlibrary extends Component {
 			sub_discipline_id:this.state.sub_discipline_id,
 			tag_discipline_id:this.state.tag_discipline_id,
 			public: key,
-			difficulty: this.state.difficulty,
+			difficulty:null,
 			keywords: null,
 			per_page:10,
 		}