1 files changed, 5 insertions, 3 deletions
diff --git a/pkgs/development/ocaml-modules/mirage-crypto/pk.nix b/pkgs/development/ocaml-modules/mirage-crypto/pk.nix
index e50838e50bbb8..11f09dfd5161e 100644
--- a/pkgs/development/ocaml-modules/mirage-crypto/pk.nix
+++ b/pkgs/development/ocaml-modules/mirage-crypto/pk.nix
@@ -1,16 +1,18 @@
 { buildDunePackage, ounit2, randomconv, mirage-crypto, mirage-crypto-rng
-, cstruct, sexplib0, zarith, eqaf, gmp }:
+, cstruct, sexplib0, zarith, eqaf-cstruct, gmp }:
 
 buildDunePackage rec {
   pname = "mirage-crypto-pk";
 
   inherit (mirage-crypto) version src;
 
-  duneVersion = "3";
+  postPatch = ''
+    substituteInPlace pk/dune --replace-warn eqaf.cstruct eqaf-cstruct
+  '';
 
   buildInputs = [ gmp ];
   propagatedBuildInputs = [ cstruct mirage-crypto mirage-crypto-rng
-                            zarith eqaf sexplib0 ];
+                            zarith eqaf-cstruct sexplib0 ];
 
   doCheck = true;
   checkInputs = [ ounit2 randomconv ];