diff --git a/pkgs/top-level/linux-kernels.nix b/pkgs/top-level/linux-kernels.nix
index 2f53fc73874e..d4cf80e36466 100644
--- a/pkgs/top-level/linux-kernels.nix
+++ b/pkgs/top-level/linux-kernels.nix
@@ -565,7 +565,7 @@ in {
   });
 
   packageAliases = {
-    linux_default = if stdenv.hostPlatform.isi686 then packages.linux_5_10 else packages.linux_5_15;
+    linux_default = if stdenv.hostPlatform.is32bit then packages.linux_5_10 else packages.linux_5_15;
     # Update this when adding the newest kernel major version!
     linux_latest = packages.linux_5_18;
     linux_mptcp = packages.linux_mptcp_95;