diff --git a/pkgs/development/libraries/xsimd/default.nix b/pkgs/development/libraries/xsimd/default.nix
index 44d954850e7b..019b3afbefc8 100644
--- a/pkgs/development/libraries/xsimd/default.nix
+++ b/pkgs/development/libraries/xsimd/default.nix
@@ -32,10 +32,6 @@ stdenv.mkDerivation (finalAttrs: {
     cmake
   ];
 
-  buildInputs = [
-    doctest
-  ];
-
   cmakeFlags = [
     # Always build the tests, even if not running them, because testing whether
     # they can be built is a test in itself.
@@ -43,6 +39,9 @@ stdenv.mkDerivation (finalAttrs: {
   ];
 
   doCheck = true;
+  nativeCheckInputs = [
+    doctest
+  ];
   checkTarget = "xtest";
 
   meta = with lib; {