diff --git a/pkgs/top-level/perl-packages.nix b/pkgs/top-level/perl-packages.nix
index 16ecaae2c690..3b99e7ab6f37 100644
--- a/pkgs/top-level/perl-packages.nix
+++ b/pkgs/top-level/perl-packages.nix
@@ -2732,14 +2732,13 @@ let self = _self // overrides; _self = with self; {
     NIX_CFLAGS_LINK = "-L${pkgs.gmp.out}/lib -lgmp";
   };
 
-  CryptEksblowfish = buildPerlPackage rec {
+  CryptEksblowfish = buildPerlModule rec {
     name = "Crypt-Eksblowfish-0.009";
     src = fetchurl {
       url = "mirror://cpan/authors/id/Z/ZE/ZEFRAM/${name}.tar.gz";
       sha256 = "3cc7126d5841107237a9be2dc5c7fbc167cf3c4b4ce34678a8448b850757014c";
     };
-    buildInputs = [ ModuleBuild ];
-    propagatedBuildInputs = [ClassMix];
+    propagatedBuildInputs = [ ClassMix ];
   };
 
   CryptJWT = buildPerlPackage rec {