diff --git a/flake.nix b/flake.nix
index 9d4d321..f2127ca 100644
--- a/flake.nix
+++ b/flake.nix
@@ -54,7 +54,7 @@
     overlays = {
       default = self.overlays.thumbctl;
       thumbctl = final: prev: {
-        inherit (self.packages.${prev.system}) thumbctl;
+        inherit (self.packages.${prev.stdenv.hostPlatform.system}) thumbctl;
       };
     };