diff --git a/release.nix b/release.nix
index 128700a..4ee34d7 100644
--- a/release.nix
+++ b/release.nix
@@ -75,8 +75,8 @@ in
 
   sanitized.nosv = pkgs.nosv.overrideAttrs (old: {
     configureFlags = [
-      "--with-asan "
-      "--with-ubsan"
+      "--enable-asan "
+      "--enable-ubsan"
     ];
     # CFLAGS = "-Werror";
   });