diff --git a/assets/vue/components/assignments/TeacherAssignmentList.vue b/assets/vue/components/assignments/TeacherAssignmentList.vue
index c8662e0b58..2f8d1dc615 100644
--- a/assets/vue/components/assignments/TeacherAssignmentList.vue
+++ b/assets/vue/components/assignments/TeacherAssignmentList.vue
@@ -26,7 +26,7 @@
     >
       <template #body="slotProps">
         <div class="flex items-center">
-          <BaseIcon v-if="getSessionId(slotProps.data)" icon="star" size="small" class="text-yellow-500 mr-2" />
+          <BaseIcon v-if="getSessionId(slotProps.data)" icon="session-star" size="small" class="mr-2" />
           {{ slotProps.data.title }}
         </div>
       </template>
diff --git a/public/main/exercise/exercise.class.php b/public/main/exercise/exercise.class.php
index babfa74b98..8baceabae5 100644
--- a/public/main/exercise/exercise.class.php
+++ b/public/main/exercise/exercise.class.php
@@ -1847,7 +1847,7 @@ class Exercise
             $exerciseId,
             $this->sessionId
         );
-        if (false !== $linkInfo) {
+        if (!empty($linkInfo)) {
             GradebookUtils::remove_resource_from_course_gradebook($linkInfo['id']);
         }