diff --git a/home/desktop/base16/gtk.nix b/home/desktop/base16/gtk.nix
index 64cefaaa..e8eaee5b 100644
--- a/home/desktop/base16/gtk.nix
+++ b/home/desktop/base16/gtk.nix
@@ -3,6 +3,8 @@
   accentColourName,
 }:
 with scheme.withHashtag; ''
+  // Remove rounded corners
+  window.background { border-radius: 5; }
   @define-color accent_color ${scheme.withHashtag."${accentColourName}-hex"};
   @define-color accent_bg_color ${scheme.withHashtag."${accentColourName}-hex"};
   @define-color accent_fg_color ${base00-hex};