diff --git a/rapids/models.py b/rapids/models.py
index 98af3ff2..cc880c5a 100644
--- a/rapids/models.py
+++ b/rapids/models.py
@@ -315,7 +315,9 @@ class Rapid(models.Model):
 
     def get_image_annotations(self):
         annotations = [i.image_annotations for i in self.images.all() if not i.feedback_image]
-        if len(set(annotations).remove("")) < 1:
+        a = set(annotations)
+        a.remove("")
+        if len(a) < 1:
             annotations = ""
         return json.dumps([i.image_annotations for i in self.images.all() if not i.feedback_image])