diff --git a/packages/html/Cargo.toml b/packages/html/Cargo.toml
index e9142f128..fc3ee0e8f 100644
--- a/packages/html/Cargo.toml
+++ b/packages/html/Cargo.toml
@@ -26,6 +26,7 @@ tokio = { workspace = true, features = ["fs", "io-util"], optional = true }
 rfd = { version = "0.14", optional = true }
 futures-channel = { workspace = true }
 serde_json = { version = "1", optional = true }
+tracing.workspace = true
 
 [dependencies.web-sys]
 optional = true
diff --git a/packages/html/src/events.rs b/packages/html/src/events.rs
index 0a761f719..b81d2b9ab 100644
--- a/packages/html/src/events.rs
+++ b/packages/html/src/events.rs
@@ -348,7 +348,10 @@ pub fn event_bubbles(evt: &str) -> bool {
         "transitionend" => true,
         "toggle" => true,
         "mounted" => false,
-        _ => true,
+        _ => {
+            tracing::warn!("Unknown event name: {evt}");
+            true
+        }
     }
 }
 
diff --git a/packages/ssr/src/renderer.rs b/packages/ssr/src/renderer.rs
index 63bbaddb7..60813e0ad 100644
--- a/packages/ssr/src/renderer.rs
+++ b/packages/ssr/src/renderer.rs
@@ -197,7 +197,7 @@ impl Renderer {
                     // then write any listeners
                     for name in accumulated_listeners.drain(..) {
                         write!(buf, ",{}:", &name[2..])?;
-                        write!(buf, "{}", dioxus_html::event_bubbles(name) as u8)?;
+                        write!(buf, "{}", dioxus_html::event_bubbles(&name[2..]) as u8)?;
                     }
                 }