diff --git a/src/hooks/useNostrPublish.ts b/src/hooks/useNostrPublish.ts
index 316f1ce..767dfa4 100644
--- a/src/hooks/useNostrPublish.ts
+++ b/src/hooks/useNostrPublish.ts
@@ -16,8 +16,7 @@ export function useNostrPublish(): UseMutationResult<NostrEvent> {
 
         // Add the client tag if it doesn't exist
         if (!tags.some((tag) => tag[0] === "client")) {
-          // FIXME: Replace "mkstack" with the actual client name
-          tags.push(["client", "mkstack"]);
+          tags.push(["client", location.hostname]);
         }
 
         const event = await user.signer.signEvent({