diff --git a/crates/ui/src/button.rs b/crates/ui/src/button.rs
index 870739b8..09fa273c 100644
--- a/crates/ui/src/button.rs
+++ b/crates/ui/src/button.rs
@@ -1,5 +1,5 @@
 use gpui::{
-    div, prelude::FluentBuilder as _, ClickEvent, DefiniteLength, Div, ElementId, Hsla,
+    div, prelude::FluentBuilder as _, px, ClickEvent, DefiniteLength, Div, ElementId, Hsla,
     InteractiveElement, IntoElement, MouseButton, ParentElement, RenderOnce, SharedString,
     StatefulInteractiveElement as _, Styled, WindowContext,
 };
@@ -131,9 +131,9 @@ impl RenderOnce for Button {
                 ButtonSize::Medium => this.px_4().py_2().h_8(),
             })
             .map(|this| match self.rounded {
-                ButtonRounded::Small => this.rounded_sm(),
-                ButtonRounded::Medium => this.rounded_md(),
-                ButtonRounded::Large => this.rounded_lg(),
+                ButtonRounded::Small => this.rounded(px(cx.theme().radius * 0.5)),
+                ButtonRounded::Medium => this.rounded(px(cx.theme().radius)),
+                ButtonRounded::Large => this.rounded(px(cx.theme().radius * 2.0)),
                 ButtonRounded::None => this.rounded_none(),
             })
             .when(!self.disabled, |this| {
diff --git a/crates/ui/src/dropdown.rs b/crates/ui/src/dropdown.rs
index 09049758..3375a820 100644
--- a/crates/ui/src/dropdown.rs
+++ b/crates/ui/src/dropdown.rs
@@ -173,7 +173,7 @@ where
                     .bg(cx.theme().background)
                     .border_1()
                     .border_color(cx.theme().input)
-                    .rounded_sm()
+                    .rounded(px(cx.theme().radius))
                     .shadow_sm()
                     .px_3()
                     .py_2()
@@ -201,7 +201,7 @@ where
                         .bg(cx.theme().background)
                         .border_1()
                         .border_color(cx.theme().input)
-                        .rounded_sm()
+                        .rounded(px(cx.theme().radius))
                         .shadow_md()
                         .track_focus(&self.picker.focus_handle(cx))
                         .child(self.picker.clone()),
diff --git a/crates/ui/src/input.rs b/crates/ui/src/input.rs
index 7de22120..50f02b56 100644
--- a/crates/ui/src/input.rs
+++ b/crates/ui/src/input.rs
@@ -603,7 +603,7 @@ impl Render for TextInput {
                         cx.theme().input
                     })
                     .border_1()
-                    .rounded_sm()
+                    .rounded(px(cx.theme().radius))
                     .shadow_sm()
                     .px_3()
                     .bg(if self.disabled {
diff --git a/crates/ui/src/theme.rs b/crates/ui/src/theme.rs
index 1283550a..41e1fd53 100644
--- a/crates/ui/src/theme.rs
+++ b/crates/ui/src/theme.rs
@@ -240,6 +240,7 @@ impl From<Colors> for Theme {
             mode: ThemeMode::Dark,
             transparent: Hsla::transparent_black(),
             font_size: 14.0,
+            radius: 4.0,
             title_bar_background: colors.title_bar_background,
             background: colors.background,
             foreground: colors.foreground,
@@ -261,7 +262,6 @@ impl From<Colors> for Theme {
             input: colors.input,
             ring: colors.ring,
             selection: colors.selection,
-            radius: 0.0,
         }
     }
 }