1 files changed, 4 insertions, 4 deletions
diff --git a/nixos/modules/services/databases/redis.nix b/nixos/modules/services/databases/redis.nix
index 5695eeaf74c..95128a641d9 100644
--- a/nixos/modules/services/databases/redis.nix
+++ b/nixos/modules/services/databases/redis.nix
@@ -185,10 +185,10 @@ in
   ###### implementation
 
   config = mkIf config.services.redis.enable {
-
-    boot.kernel.sysctl = {
-      "vm.nr_hugepages" = "0";
-    } // mkIf cfg.vmOverCommit { "vm.overcommit_memory" = "1"; };
+    boot.kernel.sysctl = (mkMerge [
+      { "vm.nr_hugepages" = "0"; }
+      ( mkIf cfg.vmOverCommit { "vm.overcommit_memory" = "1"; } )
+    ]);
 
     networking.firewall = mkIf cfg.openFirewall {
       allowedTCPPorts = [ cfg.port ];