diff --git a/addons/survey/models/survey_question.py b/addons/survey/models/survey_question.py
index e1d9d2d9a20..ff3204f7d45 100644
--- a/addons/survey/models/survey_question.py
+++ b/addons/survey/models/survey_question.py
@@ -438,7 +438,8 @@ class SurveyQuestion(models.Model):
 
         count_data = dict.fromkeys(suggested_answers, 0)
         for line in user_input_lines:
-            if line.suggested_answer_id or (line.value_char_box and self.comment_count_as_answer):
+            if line.suggested_answer_id in count_data\
+               or (line.value_char_box and self.comment_count_as_answer):
                 count_data[line.suggested_answer_id] += 1
 
         table_data = [{