diff --git a/modules/nixos/cspark-desktop-niri/resources/home-manager/.config/niri/config.kdl b/modules/nixos/cspark-desktop-niri/resources/home-manager/.config/niri/config.kdl
index 82bf8fa4..f33900f4 100644
--- a/modules/nixos/cspark-desktop-niri/resources/home-manager/.config/niri/config.kdl
+++ b/modules/nixos/cspark-desktop-niri/resources/home-manager/.config/niri/config.kdl
@@ -258,6 +258,14 @@ animations {
 // Window rules let you adjust behavior for individual windows.
 // Find more information on the wiki:
 // https://github.com/YaLTeR/niri/wiki/Configuration:-Window-Rules
+// Work around WezTerm's initial configure bug
+// by setting an empty default-column-width.
+window-rule {
+	// Global window rule
+	// Rounded Corners setup
+	geometry-corner-radius 10
+	clip-to-geometry true
+}
 
 // Work around WezTerm's initial configure bug
 // by setting an empty default-column-width.