diff --git a/pkgs/development/interpreters/ruby/default.nix b/pkgs/development/interpreters/ruby/default.nix
index 1756c13b53d1..e21d765e7b91 100644
--- a/pkgs/development/interpreters/ruby/default.nix
+++ b/pkgs/development/interpreters/ruby/default.nix
@@ -37,6 +37,7 @@ let
       , fetchurl, fetchpatch, fetchFromSavannah, fetchFromGitHub
       , useRailsExpress ? true
       , rubygemsSupport ? true
+      , JitSupport ? true
       , zlib, zlibSupport ? true
       , openssl, opensslSupport ? true
       , gdbm, gdbmSupport ? true
@@ -118,6 +119,7 @@ let
 
         configureFlags = ["--enable-shared" "--enable-pthread" "--with-soname=ruby_${tag}"]
           ++ op useRailsExpress "--with-baseruby=${baseruby}/bin/ruby"
+          ++ op (!JitSupport) "--disable-jit-support"
           ++ op (!docSupport) "--disable-install-doc"
           ++ ops stdenv.isDarwin [
             # on darwin, we have /usr/include/tk.h -- so the configure script detects