diff --git a/api/v1/serializers/user.py b/api/v1/serializers/user.py
index e464b5b7..b5554d93 100644
--- a/api/v1/serializers/user.py
+++ b/api/v1/serializers/user.py
@@ -53,6 +53,13 @@ class UserSerializer(serializers.ModelSerializer):
             'balance',
         )
 
+    def create(self, validated_data):
+        instance = super().create(validated_data)
+        if not instance.password:
+            password = instance.objects.make_random_password()
+            instance.set_password(password)
+            instance.save()
+
 
 class UserPhotoSerializer(serializers.Serializer):
     photo = Base64ImageField(