diff --git a/src/leiningen/plugin.clj b/src/leiningen/plugin.clj
index 4589a446..a0d264d6 100644
--- a/src/leiningen/plugin.clj
+++ b/src/leiningen/plugin.clj
@@ -7,7 +7,7 @@
         [leiningen.jar :only (local-repo-path
                               extract-jar
                               get-default-uberjar-name)]
-        [leiningen.util.file :only (tmp-dir)]
+        [leiningen.util.file :only (tmp-dir delete-file-recursively)]
         [clojure.java.io :only (file)])
   (:require [leiningen.install]
             [leiningen.help])
@@ -31,6 +31,7 @@ Syntax: lein plugin install [GROUP/]ARTIFACT-ID VERSION
   dependencies."
   [project-name version]
   (leiningen.install/install project-name version)
+  (.mkdirs plugins-path)
   (let [[name group] (extract-name-and-group project-name)
         temp-project (format "%s/lein-%s" tmp-dir (java.util.UUID/randomUUID))
         jarfile (-> (local-repo-path name (or group name) version)
@@ -46,6 +47,7 @@ Syntax: lein plugin install [GROUP/]ARTIFACT-ID VERSION
                       (filter #(.endsWith (.getName %) ".jar"))
                       (cons (file jarfile)))]
         (write-components deps out)))
+    (delete-file-recursively temp-project)
     (println "Created" standalone-filename)))
 
 (defn uninstall
diff --git a/src/leiningen/util/file.clj b/src/leiningen/util/file.clj
index 05229c46..638cfe76 100644
--- a/src/leiningen/util/file.clj
+++ b/src/leiningen/util/file.clj
@@ -3,6 +3,9 @@
 
 (def tmp-dir (System/getProperty "java.io.tmpdir"))
 
+(defn unique-lein-tmp-dir []
+  (file tmp-dir (str "lein-" (java.util.UUID/randomUUID))))
+
 ;; grumble, grumble; why didn't this make it into clojure.java.io?
 (defn delete-file-recursively
   "Delete file f. If it's a directory, recursively delete all its contents.
diff --git a/test/test_plugin.clj b/test/test_plugin.clj
index f0c778dd..5cb63b45 100644
--- a/test/test_plugin.clj
+++ b/test/test_plugin.clj
@@ -1,5 +1,10 @@
 (ns test-plugin
-  (:use [leiningen.plugin] :reload)
+  (:use [leiningen.plugin]
+        [leiningen.util.file :only (unique-lein-tmp-dir
+                                    delete-file-recursively)]
+        [leiningen.compile :only (platform-nullsink)]
+        [leiningen.core :only (read-project defproject)]
+        [clojure.java.io :only (file)])
   (:use [clojure.test]))
 
 (deftest test-plugin-standalone-filename
@@ -28,8 +33,14 @@ uninstall   Delete the plugin jarfile
             Syntax: lein plugin uninstall [GROUP/]ARTIFACT-ID VERSION\n"
          (with-out-str (plugin "help")))))
 
+(defonce test-project (read-project "test_projects/sample/project.clj"))
+
+(deftest test-install
+  (with-out-str
+    (leiningen.install/install test-project)
+    (binding [plugins-path (unique-lein-tmp-dir)
+              leiningen.install/install (constantly nil)]
+      (install "nomnomnom" "0.5.0-SNAPSHOT")
+      (is (.exists (file plugins-path "nomnomnom-0.5.0-SNAPSHOT.jar")))
+      (delete-file-recursively plugins-path))))
 
-;; TODO: figure out a clever way to actually test instaling
-;; (deftest test-install
-;; (install "lein-plugin" "0.1.0")
-;; )