diff --git a/anatomy/templates/anatomy/mark.html b/anatomy/templates/anatomy/mark.html
index 1ae276ba..8c7a4ae4 100644
--- a/anatomy/templates/anatomy/mark.html
+++ b/anatomy/templates/anatomy/mark.html
@@ -32,7 +32,11 @@
                         wait 0.1s
                         end
                         end 
-                        put (#id_answer_suggest_incorrect's value + ',' + my @data-word) into #id_answer_suggest_incorrect's value then remove closest parent <span/>" data-word='{{word}}'>(+)</span>,</span>    
+                        if (#id_answer_suggest_incorrect's value == '') 
+                        put (#id_answer_suggest_incorrect's value + my @data-word) into #id_answer_suggest_incorrect's value 
+                        else
+                        put (#id_answer_suggest_incorrect's value + ',' + my @data-word) into #id_answer_suggest_incorrect's value 
+                        then remove closest parent <span/>" data-word='{{word}}'>(+)</span>,</span>    
                 {% endfor %}
                     
                 <div class="border border-secondary">
diff --git a/anatomy/views.py b/anatomy/views.py
index 8522a412..bac25f58 100644
--- a/anatomy/views.py
+++ b/anatomy/views.py
@@ -347,8 +347,6 @@ def mark(request, exam_pk, sk, unmarked_exam_answers_only=True, review=False):
 
     answer_suggest_incorrect: list = []
 
-    words_present: set = set()
-    words_present_in_correct: set = set()
 
     if review:
         for ans in unmarked_user_answers:
@@ -372,6 +370,9 @@ def mark(request, exam_pk, sk, unmarked_exam_answers_only=True, review=False):
                     answer_suggest_incorrect.append(ans)
                     break
 
+    words_present: set = set()
+    words_present_in_correct: set = set()
+
     for ans in correct_answers:
         answer_words = set(ans.get_constituent_words())
         words_present.update(answer_words)