diff --git a/pkgs/tools/misc/wyrd/default.nix b/pkgs/tools/misc/wyrd/default.nix
index d76e393aaaa7..d02ce41b6aa1 100644
--- a/pkgs/tools/misc/wyrd/default.nix
+++ b/pkgs/tools/misc/wyrd/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, ocaml, ncurses, remind }:
+{ stdenv, fetchurl, ocaml, ncurses, remind, camlp4 }:
 
 stdenv.mkDerivation rec {
   version = "1.4.6";
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
     sha256 = "0zlrg602q781q8dij62lwdprpfliyy9j1rqfqcz8p2wgndpivddj";
   };
 
-  buildInputs = [ ocaml ncurses remind ];
+  buildInputs = [ ocaml ncurses remind camlp4 ];
 
   preferLocalBuild = true;
 
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 647013167f5e..85035583af9a 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -3440,7 +3440,9 @@ let
 
   wv2 = callPackage ../tools/misc/wv2 { };
 
-  wyrd = callPackage ../tools/misc/wyrd { };
+  wyrd = callPackage ../tools/misc/wyrd {
+    inherit (ocamlPackages) camlp4;
+  };
 
   x86info = callPackage ../os-specific/linux/x86info { };