diff --git a/mastodon_blocklist_deploy/models.py b/mastodon_blocklist_deploy/models.py
index f58d85a..5997ab0 100644
--- a/mastodon_blocklist_deploy/models.py
+++ b/mastodon_blocklist_deploy/models.py
@@ -63,11 +63,11 @@ class Instance:
         }
         data = {"domain": self.domain,
                 "severity": self.severity,
-                "reject_media": self.reject_media,
-                "reject_reports": self.reject_reports,
-                "private_comment": self.private_comment,
+                "reject_media": str(self.reject_media).lower(),
+                "reject_reports": str(self.reject_reports).lower(),
+                "private_comment": str(self.private_comment).lower(),
                 "public_comment": self.public_comment,
-                "obfuscate": self.obfuscate}
+                "obfuscate": str(self.obfuscate).lower()}
         """If no id is given add a new block, else update the existing block"""
         if block_id is None:
             response = requests.post(f'https://{server}/api/v1/admin/domain_blocks', data=data, headers=headers)