diff --git a/src/apprt/gtk/App.zig b/src/apprt/gtk/App.zig
index 6a3d79d8a..c8434a024 100644
--- a/src/apprt/gtk/App.zig
+++ b/src/apprt/gtk/App.zig
@@ -434,7 +434,8 @@ fn loadRuntimeCss(config: *const Config, provider: *c.GtkCssProvider) !void {
         \\ background-color: rgb({d},{d},{d});
         \\}}
         \\window.ghostty-theme-inherit headerbar,
-        \\window.ghostty-theme-inherit toolbarview > revealer > windowhandle {{
+        \\window.ghostty-theme-inherit toolbarview > revealer > windowhandle,
+        \\window.ghostty-theme-inherit box > tabbar {{
         \\ background-color: rgb({d},{d},{d});
         \\ color: rgb({d},{d},{d});
         \\}}
diff --git a/src/apprt/gtk/Window.zig b/src/apprt/gtk/Window.zig
index 112190179..f846c6b28 100644
--- a/src/apprt/gtk/Window.zig
+++ b/src/apprt/gtk/Window.zig
@@ -299,6 +299,7 @@ pub fn init(self: *Window, app: *App) !void {
                 // In earlier adwaita versions, we need to add the tabbar manually since we do not use
                 // an AdwToolbarView.
                 const tab_bar: *c.AdwTabBar = c.adw_tab_bar_new().?;
+                c.gtk_widget_add_css_class(@ptrCast(@alignCast(tab_bar)), "inline");
                 switch (app.config.@"gtk-tabs-location") {
                     // left and right is not supported in libadwaita.
                     .top,