diff --git a/crates/agent/src/message_editor.rs b/crates/agent/src/message_editor.rs
index 85cb62e24ab88824109b94471a774264e87e99d8..6daa5b6bbfecf4fe3d53701c9d29d026f3be0436 100644
--- a/crates/agent/src/message_editor.rs
+++ b/crates/agent/src/message_editor.rs
@@ -201,7 +201,7 @@ impl MessageEditor {
     }
 
     fn is_editor_empty(&self, cx: &App) -> bool {
-        self.editor.read(cx).text(cx).is_empty()
+        self.editor.read(cx).text(cx).trim().is_empty()
     }
 
     fn is_model_selected(&self, cx: &App) -> bool {