diff --git a/config.toml b/config.toml
index 138f8d6..21bd14c 100644
--- a/config.toml
+++ b/config.toml
@@ -98,7 +98,7 @@ domain = "posixlycorrect.com"
 [extra.isso]
 enabled_for_all_posts = false
 automatic_loading = true
-endpoint_url = "http://isso.posixlycorrect.com"
+endpoint_url = "https://isso.posixlycorrect.com/"
 page_id_is_slug = true
 lang = ""
 max_comments_top = "inf"