diff --git a/crates/agent_ui/src/message_editor.rs b/crates/agent_ui/src/message_editor.rs
index 16f69b297cf8b5e822d02256b20a16939004cfee..66887019d3129494d039cddec97279473f7d8354 100644
--- a/crates/agent_ui/src/message_editor.rs
+++ b/crates/agent_ui/src/message_editor.rs
@@ -677,7 +677,7 @@ impl MessageEditor {
     }
 
     pub fn is_empty(&self, cx: &App) -> bool {
-        self.editor.read(cx).is_empty(cx)
+        self.editor.read(cx).text(cx).trim().is_empty()
     }
 
     pub fn is_completions_menu_visible(&self, cx: &App) -> bool {