diff --git a/Assets/Matugen/templates/gtk3.css b/Assets/Matugen/templates/gtk3.css
index 6db0bb71..0669a7a3 100644
--- a/Assets/Matugen/templates/gtk3.css
+++ b/Assets/Matugen/templates/gtk3.css
@@ -17,7 +17,8 @@
 @define-color card_bg_color {{colors.surface.default.hex}};
 @define-color card_fg_color {{colors.on_surface.default.hex}};
 
-@define-color sidebar_bg_color {{colors.surface_variant.default.hex}};
+@define-color sidebar_bg_color {{colors.surface_container.default.hex}};
 @define-color sidebar_fg_color {{colors.on_surface_variant.default.hex}};
 @define-color sidebar_border_color @window_bg_color;
 @define-color sidebar_backdrop_color @window_bg_color;
+