diff --git a/crates/assistant/src/assistant_panel.rs b/crates/assistant/src/assistant_panel.rs
index 79e026cb51627b858417dd09b425674763d680d4..109c9c32370cf7dbc7c705115a4046630497e2da 100644
--- a/crates/assistant/src/assistant_panel.rs
+++ b/crates/assistant/src/assistant_panel.rs
@@ -450,6 +450,7 @@ impl AssistantPanel {
                     .gap(DynamicSpacing::Base02.rems(cx))
                     .child(
                         IconButton::new("new-chat", IconName::Plus)
+                            .icon_size(IconSize::Small)
                             .on_click(
                                 cx.listener(|_, _, cx| {
                                     cx.dispatch_action(NewContext.boxed_clone())