diff --git a/view-plan.php b/view-plan.php
index 90c1ff1..98736e9 100644
--- a/view-plan.php
+++ b/view-plan.php
@@ -122,7 +122,7 @@ print $OUTPUT->header();
                     :value='studyplan.id'
                     >{{ studyplan.name }}</b-form-select-option>
             </b-form-select>&nbsp;
-            <b-button variant='primary' v-b-toggle.toolbox-sidebar
+            <b-button v-if="activestudyplan" variant='primary' v-b-toggle.toolbox-sidebar
                 ><?php t('selectstudent_btn') ?></b-button>
         </div>
         <div class='t-studyplan-container'>