diff --git a/src/main/scala/gitbucket/core/plugin/PluginRegistory.scala b/src/main/scala/gitbucket/core/plugin/PluginRegistory.scala
index 3d3d597..ac3f20e 100644
--- a/src/main/scala/gitbucket/core/plugin/PluginRegistory.scala
+++ b/src/main/scala/gitbucket/core/plugin/PluginRegistory.scala
@@ -257,7 +257,7 @@
     if(installedDir.exists){
       FileUtils.deleteDirectory(installedDir)
     }
-    installedDir.mkdir()
+    installedDir.mkdirs()
 
     val pluginJars = listPluginJars(pluginDir)
     val extraJars = extraPluginDir.map { extraDir => listPluginJars(new File(extraDir)) }.getOrElse(Nil)