diff --git a/tidepool/src/lib/systems.nix b/tidepool/src/lib/systems.nix
index e7869a0..13c469d 100644
--- a/tidepool/src/lib/systems.nix
+++ b/tidepool/src/lib/systems.nix
@@ -1049,7 +1049,7 @@ in
 
         compatible =
           a: b:
-          lib.any lib.id [
+          builtins.any lib.fp.id [
             # x86
             (b == lib.systems.types.cpus.i386 && lib.systems.validate.compatible a lib.systems.types.cpus.i486)
             (b == lib.systems.types.cpus.i486 && lib.systems.validate.compatible a lib.systems.types.cpus.i586)