diff --git a/cord/credential_manager.py b/cord/credential_manager.py
index 1eef509..e5e6a3a 100644
--- a/cord/credential_manager.py
+++ b/cord/credential_manager.py
@@ -40,7 +40,7 @@ Please report this issue to the staff!""", ephemeral=True)
                 'Authorization': os.getenv('CORE_API_KEY')
             },
             json={
-                'discord_id': interaction.user.id
+                'discord_id': str(interaction.user.id)
             }
         )