diff --git a/flake.nix b/flake.nix
index d9624d0d4f..c9235935ae 100644
--- a/flake.nix
+++ b/flake.nix
@@ -83,7 +83,7 @@
     let
       callFlake = import flake-compat;
 
-      ifdLevel = 0;
+      ifdLevel = 1;
       runningHydraEvalTest = false;
       defaultCompiler = "ghc928";
       config = import ./config.nix;