diff --git a/lms/settings.py b/lms/settings.py
index 6cef6ca..d3632f8 100644
--- a/lms/settings.py
+++ b/lms/settings.py
@@ -60,6 +60,8 @@ YANDEX_MONEY_MAIL_ADMINS_ON_PAYMENT_ERROR = True
 # место куда сохраняем пользовательские файлы
 PERSONAL_FILES = '/personal_files/'
 
+DATA_UPLOAD_MAX_MEMORY_SIZE = 115242880
+
 DATABASES = {
     'default': env.db(),
 }
diff --git a/storage/models.py b/storage/models.py
index 658b88a..9946f71 100755
--- a/storage/models.py
+++ b/storage/models.py
@@ -10,9 +10,10 @@ class FileManager(models.Manager):
 
     def upload_as_base64(self, file_base64):
         if "data:" in file_base64:
-            my_str = file_base64[file_base64.index("base64,") + 7:]
-            ext = my_str.split('/')[-1]
-            file = self.create(original=ContentFile(base64.b64decode(my_str), name='time.' + ext))
+            my_str = file_base64[file_base64.index(";base64,")+8:]
+            content_type = file_base64[:file_base64.index(";base64,")].split('/')[1]
+            file_source = ContentFile(base64.b64decode(my_str), name='time.' + content_type)
+            file = self.create(original=file_source)
             return file
         raise ValueError()