diff --git a/pkgs/os-specific/linux/kernel/common-config.nix b/pkgs/os-specific/linux/kernel/common-config.nix
index 4fb1e83917ae..d8841b2c9610 100644
--- a/pkgs/os-specific/linux/kernel/common-config.nix
+++ b/pkgs/os-specific/linux/kernel/common-config.nix
@@ -118,7 +118,7 @@ let
 
     timer = {
       # Enable Full Dynticks System.
-      NO_HZ_FULL = yes;
+      NO_HZ_FULL = mkIf stdenv.is64bit yes; # TODO: more precise condition?
     };
 
     # Enable NUMA.