diff --git a/longs/models.py b/longs/models.py
index 95083c86..a94db166 100644
--- a/longs/models.py
+++ b/longs/models.py
@@ -258,6 +258,7 @@ class Long(models.Model):
                     f.write(image_as_base64(i.image))
                     f.write('"')
                     first = False
+                f.write(']')
 
                 #images.append(url)
                 if i != len(question_series) - 1: