diff --git a/pkgs/servers/sql/mysql55/default.nix b/pkgs/servers/sql/mysql55/default.nix
index 493f86f00f74..f1bc60673cbb 100644
--- a/pkgs/servers/sql/mysql55/default.nix
+++ b/pkgs/servers/sql/mysql55/default.nix
@@ -1,4 +1,4 @@
-{stdenv, fetchurl, cmake, bison, ncurses, openssl, readline, zlib}:
+{stdenv, fetchurl, cmake, bison, ncurses, openssl, readline, zlib, darwinInstallNameToolUtility, perl}:
 
 # Note: zlib is not required; MySQL can use an internal zlib.
 
@@ -10,7 +10,7 @@ stdenv.mkDerivation {
     sha256 = "03jl60mzrsd1jb8fvkz6c8j2239b37k8n1i07jk1q4yk58aq8ynh";
   };
 
-  buildInputs = [ cmake bison ncurses openssl readline zlib ];
+  buildInputs = [ cmake bison ncurses openssl readline zlib ] ++ stdenv.lib.optionals stdenv.isDarwin [ darwinInstallNameToolUtility perl ];
   
   cmakeFlags = "-DWITH_SSL=yes -DWITH_READLINE=yes -DWITH_EMBEDDED_SERVER=yes -DWITH_ZLIB=yes -DINSTALL_SCRIPTDIR=bin";