diff --git a/modules/nix/default.nix b/modules/nix/default.nix
index 111d620b..5904df49 100644
--- a/modules/nix/default.nix
+++ b/modules/nix/default.nix
@@ -7,6 +7,9 @@ let
   cfg = config.nix;
   daemon = config.services.nix-daemon;
 
+  buildHook = if versionAtLeast (cfg.package.version or "<unknown>") "1.12pre"
+    then "build-remote" else "build-remote.pl";
+
   nixConf =
     let
       # If we're using sandbox for builds, then provide /bin/sh in
@@ -314,7 +317,7 @@ in
     environment.etc."nix/nix.conf".source = nixConf;
 
     # List of machines for distributed Nix builds in the format
-    # expected by build-remote.pl.
+    # expected by build-remote.
     environment.etc."nix/machines" =
       { enable = cfg.buildMachines != [];
         text =
@@ -342,7 +345,7 @@ in
       }
 
       // optionalAttrs cfg.distributedBuilds {
-        NIX_BUILD_HOOK = "${cfg.package}/libexec/nix/build-remote.pl";
+        NIX_BUILD_HOOK = "${cfg.package}/libexec/nix/${buildHook}";
         NIX_REMOTE_SYSTEMS = "/etc/nix/machines";
         NIX_CURRENT_LOAD = "/run/nix/current-load";
       };