diff --git a/src/main.rs b/src/main.rs
index d084230..3840ea6 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -108,7 +108,7 @@ async fn sse_handler(
         }
     };
 
-    let _ = match con.sadd("authors-online", &author_id).await {
+    let _ = match con.sadd::<&str, &i32, usize>("authors-online", &author_id).await {
         Ok(_) => (),
         Err(e) => {
             eprintln!("Failed to add author to online list: {}", e);