diff --git a/pkgs/development/tools/ocaml/ocamlformat/default.nix b/pkgs/development/tools/ocaml/ocamlformat/default.nix
index 1a6a9ba77752..a92fafeac4ac 100644
--- a/pkgs/development/tools/ocaml/ocamlformat/default.nix
+++ b/pkgs/development/tools/ocaml/ocamlformat/default.nix
@@ -1,39 +1,17 @@
 { lib, fetchurl, fetchzip, callPackage }:
 
-let mkOCamlformat = callPackage ./generic.nix; in
-
 # Older versions should be removed when their usage decrease
 # This script scraps Github looking for OCamlformat's options and versions usage:
 #  https://gist.github.com/Julow/110dc94308d6078225e0665e3eccd433
 
 rec {
-  ocamlformat_0_19_0 = mkOCamlformat {
-    version = "0.19.0";
-  };
+  ocamlformat_0_19_0 = ocamlformat.override { version = "0.19.0"; };
+  ocamlformat_0_20_0 = ocamlformat.override { version = "0.20.0"; };
+  ocamlformat_0_20_1 = ocamlformat.override { version = "0.20.1"; };
+  ocamlformat_0_21_0 = ocamlformat.override { version = "0.21.0"; };
+  ocamlformat_0_22_4 = ocamlformat.override { version = "0.22.4"; };
+  ocamlformat_0_23_0 = ocamlformat.override { version = "0.23.0"; };
+  ocamlformat_0_24_0 = ocamlformat.override { version = "0.24.0"; };
 
-  ocamlformat_0_20_0 = mkOCamlformat {
-    version = "0.20.0";
-  };
-
-  ocamlformat_0_20_1 = mkOCamlformat {
-    version = "0.20.1";
-  };
-
-  ocamlformat_0_21_0 = mkOCamlformat {
-    version = "0.21.0";
-  };
-
-  ocamlformat_0_22_4 = mkOCamlformat {
-    version = "0.22.4";
-  };
-
-  ocamlformat_0_23_0 = mkOCamlformat {
-    version = "0.23.0";
-  };
-
-  ocamlformat_0_24_0 = mkOCamlformat {
-    version = "0.24.0";
-  };
-
-  ocamlformat = ocamlformat_0_24_0;
+  ocamlformat = callPackage ./generic.nix {};
 }
diff --git a/pkgs/development/tools/ocaml/ocamlformat/generic.nix b/pkgs/development/tools/ocaml/ocamlformat/generic.nix
index 0f6433c0e6a8..a27672fcd7f3 100644
--- a/pkgs/development/tools/ocaml/ocamlformat/generic.nix
+++ b/pkgs/development/tools/ocaml/ocamlformat/generic.nix
@@ -1,5 +1,5 @@
 { lib, fetchurl, fetchzip, ocaml-ng
-, version
+, version ? "0.24.0"
 , tarballName ? "ocamlformat-${version}.tbz",
 }: