diff --git a/pkgs/development/compilers/ocaml/generic.nix b/pkgs/development/compilers/ocaml/generic.nix
index d2295d2d79b003f..1ed6d2c6db22749 100644
--- a/pkgs/development/compilers/ocaml/generic.nix
+++ b/pkgs/development/compilers/ocaml/generic.nix
@@ -90,7 +90,7 @@ stdenv.mkDerivation (args // rec {
       '';
 
     platforms = with platforms; linux ++ darwin;
-    broken = stdenv.isAarch64 && !stdenv.lib.versionAtLeast major_version "4.06";
+    broken = stdenv.isAarch64 && !stdenv.lib.versionAtLeast version "4.06";
   };
 
 })