diff --git a/amd/src/studyplan-editor-components.js b/amd/src/studyplan-editor-components.js
index 372c893..f0015ac 100644
--- a/amd/src/studyplan-editor-components.js
+++ b/amd/src/studyplan-editor-components.js
@@ -1362,7 +1362,8 @@ export default {
                                     :slotindex="index" 
                                     :line="line"
                                     :plan="value"
-                                    :class= "'t-studyline ' + (line.sequence==1?' first':'') + (line.sequence==numlines?' last':'')"
+                                    :class= "'t-studyline ' + (line.sequence==1?' first':'') + 
+                                             (line.sequence==value.studylines.length?' last':'')"
                                     >