diff --git a/pkgs/os-specific/linux/kernel/common-config.nix b/pkgs/os-specific/linux/kernel/common-config.nix
index b127ec9197cb..82de6a96e745 100644
--- a/pkgs/os-specific/linux/kernel/common-config.nix
+++ b/pkgs/os-specific/linux/kernel/common-config.nix
@@ -473,7 +473,7 @@ let
 
       # Detect buffer overflows on the stack
       CC_STACKPROTECTOR_REGULAR = {optional = true; tristate = whenOlder "4.18" "y";};
-    } // optionalAttrs stdenv.hostPlatform.isx86 {
+    } // optionalAttrs stdenv.hostPlatform.isx86_64 {
       # Enable Intel SGX
       X86_SGX     = whenAtLeast "5.11" yes;
       # Allow KVM guests to load SGX enclaves