diff --git a/src/leiningen/repl.clj b/src/leiningen/repl.clj
index cffc4dbe..651bb5d1 100644
--- a/src/leiningen/repl.clj
+++ b/src/leiningen/repl.clj
@@ -6,6 +6,7 @@
             [clojure.java.io :as io]
             [leiningen.core.eval :as eval]
             [leiningen.core.project :as project]
+            [leiningen.trampoline :as trampoline]
             [clojure.tools.nrepl.ack :as nrepl.ack]
             [clojure.tools.nrepl.server :as nrepl.server]
             [leiningen.core.user :as user]
@@ -19,12 +20,16 @@
                               [org.thnetos/cd-client "0.3.4"
                                :exclusions [org.clojure/clojure]]]})
 
+(def trampoline-profile {:dependencies '[[reply "0.1.0-beta4"
+                                         :exclusions [org.clojure/clojure]]]})
+
 (defn- start-server [project port ack-port]
   (let [server-starting-form
           `(let [server# (clojure.tools.nrepl.server/start-server
                            :port ~port :ack-port ~ack-port)]
             (println "nREPL server started on port"
-              (-> server# deref :ss .getLocalPort)))]
+              (-> server# deref :ss .getLocalPort))
+            (while true (Thread/sleep Long/MAX_VALUE)))]
     (if project
       (eval/eval-in-project
         (project/merge-profile project profile)
@@ -51,17 +56,24 @@
                    (-> project :repl-options :ack-port))]
     (Integer. p)))
 
-(defn options-for-reply [repl-port project]
+(defn options-for-reply [project & {:keys [attach port]}]
   (let [repl-options (:repl-options project)]
     (clojure.set/rename-keys
-      (assoc repl-options
-        :attach (if-let [host (repl-host project)]
-                  (str host ":" repl-port)
-                  (str repl-port))
-        :init (if-let [init-ns (or (:init-ns repl-options) (:main project))]
-                `(do (require '~init-ns) (in-ns '~init-ns)
-                     ~(:init repl-options))
-                (:init repl-options)))
+      (merge
+        repl-options
+        {:init (if-let [init-ns (or (:init-ns repl-options) (:main project))]
+                 `(do (require '~init-ns) (in-ns '~init-ns)
+                      ~(:init repl-options))
+                 (:init repl-options))}
+        (cond
+          attach
+            {:attach (if-let [host (repl-host project)]
+                       (str host ":" attach)
+                       (str attach))}
+          port
+            {:port (str port)}
+          :else
+            {}))
       {:prompt :custom-prompt
        :init :custom-init})))
 
@@ -84,6 +96,17 @@ Connects to the nREPL server running at the given host (defaults to localhost)
 and port."
   ([] (repl nil))
   ([project]
+  (if trampoline/*trampoline?*
+    (let [options (options-for-reply project :port (repl-port project))]
+      (eval/eval-in-project
+        (-> project
+            (project/merge-profile profile)
+            (project/merge-profile trampoline-profile))
+        `(reply.main/launch-nrepl ~options)
+        '(do (require 'reply.main)
+             (require 'clojure.tools.nrepl.server)
+             (require 'complete.core))))
+    (do
      (nrepl.ack/reset-ack-port!)
      (let [prepped (promise)]
        (.start
@@ -98,14 +121,12 @@ and port."
                                                           :repl-options
                                                           :timeout)
                                                       30000))]
-         (reply/launch-nrepl (options-for-reply repl-port project))
-         (println "REPL server launch timed out."))))
+         (reply/launch-nrepl (options-for-reply project :attach repl-port))
+         (println "REPL server launch timed out."))))))
   ([project flag & opts]
    (case flag
      ":headless" (do (start-server project
                        (repl-port project)
-                       (ack-port project))
-                     (while true
-                       (Thread/sleep Long/MAX_VALUE)))
+                       (ack-port project)))
      ":connect" (reply/launch-nrepl {:attach (first opts)})
      (main/abort "Unrecognized flag:" flag))))