diff --git a/src/main/java/JettyLauncher.java b/src/main/java/JettyLauncher.java
index 849ed3c..70044c9 100644
--- a/src/main/java/JettyLauncher.java
+++ b/src/main/java/JettyLauncher.java
@@ -48,6 +48,9 @@
                         case "--temp_dir":
                             tmpDirPath = dim[1];
                             break;
+                        case "--plugin_dir":
+                            System.setProperty("gitbucket.pluginDir", dim[1]);
+                            break;
                     }
                 }
             }
diff --git a/src/main/scala/gitbucket/core/util/Directory.scala b/src/main/scala/gitbucket/core/util/Directory.scala
index e54a786..73adcfd 100644
--- a/src/main/scala/gitbucket/core/util/Directory.scala
+++ b/src/main/scala/gitbucket/core/util/Directory.scala
@@ -32,7 +32,7 @@
 
   val DatabaseHome = s"${GitBucketHome}/data"
 
-  val PluginHome = s"${GitBucketHome}/plugins"
+  val PluginHome = Option(System.getProperty("gitbucket.pluginDir")).getOrElse(s"${GitBucketHome}/plugins")
 
   val TemporaryHome = s"${GitBucketHome}/tmp"
 
@@ -90,4 +90,4 @@
   def getWikiRepositoryDir(owner: String, repository: String): File =
     new File(s"${RepositoryHome}/${owner}/${repository}.wiki.git")
 
-}
\ No newline at end of file
+}