diff --git a/api/v1/serializers/mixins.py b/api/v1/serializers/mixins.py
index e70d69e4..08744c66 100644
--- a/api/v1/serializers/mixins.py
+++ b/api/v1/serializers/mixins.py
@@ -94,7 +94,7 @@ class DispatchContentMixin(object):
             elif ctype == 'image-text':
                 if 'id' in cdata and cdata['id']:
                     it = ImageText.objects.get(id=cdata.pop('id'))
-                    serializer = ImageTextCreateSerializer(data=cdata)
+                    serializer = ImageTextCreateSerializer(it, data=cdata)
                     if serializer.is_valid():
                         it = serializer.save()
                     else: