diff --git a/.config/nix/home/amethyst.nix b/.config/nix/home/amethyst.nix
index 626c817..f2d82cf 100644
--- a/.config/nix/home/amethyst.nix
+++ b/.config/nix/home/amethyst.nix
@@ -5,5 +5,9 @@
     window-margin-size: 10
     mouse-swaps-windows: true
     mouse-resizes-windows: true
+    floating: [
+      com.apple.iphonesimulator
+      com.apple.systempreferences
+    ]
   '';
 }