diff --git a/files/routes/comments.py b/files/routes/comments.py
index 82ab29cb5..8745b7a66 100644
--- a/files/routes/comments.py
+++ b/files/routes/comments.py
@@ -251,7 +251,7 @@ def api_comment(v):
 							copyfile(oldname, filename)
 							process_image(v.patron, filename, 200)
 							requests.post(f'https://api.cloudflare.com/client/v4/zones/{CF_ZONE}/purge_cache', headers=CF_HEADERS, 
-								data='{"files": ["https://%s/assets/images/badges/%s.webp"]}' % (request.host, badge.id), timeout=5)
+								data=f'{{"files": ["https://{request.host}/assets/images/badges/{badge.id}.webp"]}}', timeout=5)
 						except Exception as e:
 							return {"error": str(e)}, 400
 					elif v.admin_level > 2 and parent_post.id == 37838:
@@ -286,7 +286,7 @@ def api_comment(v):
 								badge_grant(badge_id=17, user=user)
 
 							requests.post(f'https://api.cloudflare.com/client/v4/zones/{CF_ZONE}/purge_cache', headers=CF_HEADERS, 
-								data='{"files": ["https://%s/e/%s.webp"]}' % (request.host, name), timeout=5)
+								data=f'{{"files": ["https://{request.host}/e/{name}.webp"]}}', timeout=5)
 							cache.delete_memoized(marsey_list)
 
 						except Exception as e: