diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 6c675ec1523..2564a978007 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -4780,6 +4780,8 @@ let
 
   nix-exec = callPackage ../development/interpreters/nix-exec {
     git = gitMinimal;
+
+    nix = nixUnstable;
   };
 
   octave = callPackage ../development/interpreters/octave {