diff --git a/R/nix_hash.R b/R/nix_hash.R
index cbde0211..3f758d6c 100644
--- a/R/nix_hash.R
+++ b/R/nix_hash.R
@@ -209,7 +209,7 @@ nix_hash_online <- function(repo_url, commit) {
   h <- curl::new_handle(failonerror = TRUE)
 
   url <- paste0(
-    "http://git2nixsha.dev:1506/hash?repo_url=",
+    "http://git2nixsha.dev:443/hash?repo_url=",
     repo_url, "&commit=", commit
   )