diff --git a/home/modules/niri.nix b/home/modules/niri.nix
index 67ab1d3..0fdbe9c 100644
--- a/home/modules/niri.nix
+++ b/home/modules/niri.nix
@@ -68,7 +68,14 @@
       hotkey-overlay.skip-at-startup = true;
 
       window-rules = [
-        {geometry-corner-radius = 5;}
+        {
+          geometry-corner-radius = {
+            top-left = 5.0;
+            top-right = 5.0;
+            bottom-left = 5.0;
+            bottom-right = 5.0;
+          };
+        }
       ];
 
       input = {