diff --git a/pkgs/os-specific/linux/kernel/default.nix b/pkgs/os-specific/linux/kernel/default.nix
index 78e06c47eb86..a2cf3204d050 100644
--- a/pkgs/os-specific/linux/kernel/default.nix
+++ b/pkgs/os-specific/linux/kernel/default.nix
@@ -12,5 +12,5 @@ stdenv.mkDerivation {
   config = ./config;
   inherit perl;
   buildInputs = [perl];
-  arch=i386
+  arch="i386";
 }