diff --git a/api/v1/serializers/course.py b/api/v1/serializers/course.py
index 3f78a71f..cc3cad84 100644
--- a/api/v1/serializers/course.py
+++ b/api/v1/serializers/course.py
@@ -185,7 +185,7 @@ class CourseCreateSerializer(serializers.ModelSerializer):
                         for image in c['data']['images']:
                             gi = GalleryImage.objects.create(
                                 gallery=g,
-                                img=ImageObject.objects.get(id=image['id'])
+                                img=ImageObject.objects.get(id=image['img'])
                             )
                 else:
                     g = Gallery.objects.create(
@@ -196,7 +196,7 @@ class CourseCreateSerializer(serializers.ModelSerializer):
                         for image in c['data']['images']:
                             gi = GalleryImage.objects.create(
                                 gallery=g,
-                                img=ImageObject.objects.get(id=image['id']),
+                                img=ImageObject.objects.get(id=image['img']),
                             )
 
         for material in materials:
@@ -369,7 +369,7 @@ class LessonCreateSerializer(serializers.ModelSerializer):
                         for image in c['data']['images']:
                             gi = GalleryImage.objects.create(
                                 gallery=g,
-                                img=ImageObject.objects.get(id=image['id']),
+                                img=ImageObject.objects.get(id=image['img']),
                             )
                 else:
                     g = Gallery.objects.create(
@@ -380,7 +380,7 @@ class LessonCreateSerializer(serializers.ModelSerializer):
                         for image in c['data']['images']:
                             gi = GalleryImage.objects.create(
                                 gallery=g,
-                                img=ImageObject.objects.get(id=image['id']),
+                                img=ImageObject.objects.get(id=image['img']),
                             )
 
     def create(self, validated_data):