diff --git a/src/http.rs b/src/http.rs
index bfc922e..f5d4399 100644
--- a/src/http.rs
+++ b/src/http.rs
@@ -137,7 +137,7 @@ fn events(
                         .as_secs();
 
                     Some(Ok::<_, Infallible>(format!(
-                        "event:{kind}\ndata: {timestamp}\n\n"
+                        "event: {kind}\ndata: {timestamp}\n\n"
                     )))
                 })
         }))