diff --git a/system/modules/docker/default.nix b/system/modules/docker/default.nix
index 61c5e4a9..ed0d3003 100644
--- a/system/modules/docker/default.nix
+++ b/system/modules/docker/default.nix
@@ -10,7 +10,7 @@ in {
 
   config = lib.mkIf docker.enable {
     environment.variables = lib.mkMerge [
-      (lib.mkIf ((!docker.podman) && docker.buildkit) {
+      (lib.mkIf ((!docker.podman) && docker.docker.buildkit) {
         DOCKER_BUILDKIT = 1;
       })
     ];