diff --git a/media/forms.py b/media/forms.py
index ff89b61..23a162b 100644
--- a/media/forms.py
+++ b/media/forms.py
@@ -93,7 +93,9 @@ class MediaAdminForm(ModelForm):
 
     def download_data_isbndb(self, isbn):
         api_url = "https://api2.isbndb.com/book/" + str(isbn) + "?Authorization=" + os.getenv("ISBNDB_KEY")
-        with urllib.request.urlopen(api_url) as url:
+        req = urllib.request.Request(api_url)
+        req.add_header("Authorization", os.getenv("ISBNDB_KEY"))
+        with urllib.request.urlopen(req) as url:
             data = json.loads(url.read().decode())
         self.cleaned_data["title"] = data["title_long"]
         self.cleaned_data["published_date"] = data["date_published"][:10]