diff --git a/.github/FUNDING.yml b/.github/FUNDING.yml
index 1df3f1e..40d15dd 100644
--- a/.github/FUNDING.yml
+++ b/.github/FUNDING.yml
@@ -1,5 +1,5 @@
 # These are supported funding model platforms
-custom: https://proxidize.com/
+custom: ['https://proxidize.com/']
 
 github: # Replace with up to 4 GitHub Sponsors-enabled usernames e.g., [user1, user2]
 patreon: # Replace with a single Patreon username