diff --git a/vueapp/components/Videos/VideoCard.vue b/vueapp/components/Videos/VideoCard.vue
index b3ec6be02..27704fc23 100644
--- a/vueapp/components/Videos/VideoCard.vue
+++ b/vueapp/components/Videos/VideoCard.vue
@@ -11,8 +11,8 @@
                 >
                     <span class="oc--previewimage">
                         <img class="oc--previewimage"
-                            :src="event.preview.player ? event.preview.player : event.preview.search"
-                            @error="setDefaultImage(event)"
+                            :src="getImageSrc"
+                            @error="setDefaultImage()"
                             height="200"
                             :ref="event.id"
                         />
@@ -181,8 +181,8 @@ export default {
             this.$emit('redirectAction', action);
         },
 
-        setDefaultImage(event) {
-            let image = this.$refs[event.id];
+        setDefaultImage() {
+            let image = this.$refs[this.event.id];
             image.src = window.OpencastPlugin.PLUGIN_ASSET_URL + '/images/default-preview.png';
         }
     },
@@ -192,9 +192,18 @@ export default {
             'playlist',
             'playlists',
             'downloadSetting',
-            "videoSortMode",
+            'videoSortMode',
+            'isLTIAuthenticated'
         ]),
 
+        getImageSrc() {
+            if (this.isLTIAuthenticated[this.event.config_id]) {
+                return this.event.preview.player ? this.event.preview.player : this.event.preview.search;
+            } else {
+                return window.OpencastPlugin.PLUGIN_ASSET_URL + '/images/default-preview.png';
+            }
+        },
+
         downloadAllowed() {
             if (this.downloadSetting !== 'never') {
                 if (this.canEdit) {
diff --git a/vueapp/components/Videos/VideosList.vue b/vueapp/components/Videos/VideosList.vue
index 46254f1e4..e44386619 100644
--- a/vueapp/components/Videos/VideosList.vue
+++ b/vueapp/components/Videos/VideosList.vue
@@ -131,21 +131,25 @@ export default {
             actionComponent: null,
             showActionDialog: false,
             selectedEvent: null,
-            filters: []
+            filters: [],
+            interval: null,
+            interval_counter: 0
         }
     },
 
     computed: {
         ...mapGetters([
-            "videos",
-            "paging",
-            "axios_running",
-            "playlistForVideos",
-            "cid",
+            'videos',
+            'paging',
+            'axios_running',
+            'playlistForVideos',
+            'cid',
             'courseVideosToCopy',
             'playlists',
             'playlist',
-            'course_config'
+            'course_config',
+            'isLTIAuthenticated',
+            'simple_config_list'
         ]),
 
         isCourse() {
@@ -336,7 +340,28 @@ export default {
                     .then(() => { this.videos_loading = false });
             }
         })
+
         this.$store.dispatch('loadUserCourses');
+
+        // periodically check, if lti is authenticated
+        let view = this;
+
+        this.$store.dispatch('simpleConfigListRead').then(() => {
+            view.interval = setInterval(() => {
+                for (let id in view.simple_config_list['server']) {
+                    if (!view.isLTIAuthenticated[id]) {
+                        view.$store.dispatch('checkLTIAuthentication', view.simple_config_list['server'][id]);
+                    }
+                }
+
+                view.interval_counter++;
+
+                // prevent spamming of oc server
+                if (view.interval_counter > 10) {
+                    clearInterval(view.interval);
+                }
+            }, 2000);
+        });
     },
 
     watch: {
diff --git a/vueapp/store/opencast.module.js b/vueapp/store/opencast.module.js
index 795bd2296..2f480fffb 100644
--- a/vueapp/store/opencast.module.js
+++ b/vueapp/store/opencast.module.js
@@ -1,4 +1,5 @@
 import ApiService from "@/common/api.service";
+import axios from "@/common/axios.service";
 
 const state = {
     series: [],
@@ -10,7 +11,8 @@ const state = {
     site: null,
     axios_running: false,
     userCourses: [],
-    userList: []
+    userList: [],
+    isLTIAuthenticated: {}
 }
 
 const getters = {
@@ -43,6 +45,9 @@ const getters = {
     },
     userList(state) {
         return state.userList;
+    },
+    isLTIAuthenticated(state) {
+        return state.isLTIAuthenticated;
     }
 }
 
@@ -126,6 +131,31 @@ const actions = {
 
     setUpload({ commit }, data) {
         return ApiService.put('courses/' + data.cid + '/upload/' + data.upload);
+    },
+
+    checkLTIAuthentication({ commit }, server)
+    {
+        axios({
+            method: 'GET',
+            url: server.name + "/lti/info.json",
+            crossDomain: true,
+            withCredentials: true,
+            headers: {
+                "Content-Type": "application/x-www-form-urlencoded; charset=UTF-8"
+            }
+        }).then((response) => {
+            if (response.status == 200) {
+                commit('setLTIStatus', {
+                    server: server.id,
+                    authenticated: true
+                });
+            } else {
+                commit('setLTIStatus', {
+                    server: server.id,
+                    authenticated: false
+                });
+            }
+        });
     }
 }
 
@@ -169,6 +199,10 @@ const mutations = {
     setUserList(state, data) {
         state.userList = data;
     },
+
+    setLTIStatus(state, params) {
+        state.isLTIAuthenticated[params.server] = params.authenticated;
+    }
 }