diff --git a/package/linux-hardened/config.nix b/package/linux-hardened/config.nix
index 73328f6..7b2b56b 100644
--- a/package/linux-hardened/config.nix
+++ b/package/linux-hardened/config.nix
@@ -297,8 +297,8 @@
     TRANSPARENT_HUGEPAGE_ALWAYS = true;
     READ_ONLY_THP_FOR_FS = true;
     HUGETLBFS = true;
-    HUGETLB_PAGE_OPTIMIZE_VMEMMAP = true;
-    HUGETLB_PAGE_OPTIMIZE_VMEMMAP_DEFAULT_ON = true;
+    HUGETLB_PAGE_OPTIMIZE_VMEMMAP = option true;
+    HUGETLB_PAGE_OPTIMIZE_VMEMMAP_DEFAULT_ON = option true;
 
     DEFERRED_STRUCT_PAGE_INIT = true;