diff --git a/api/src/main/java/net/md_5/bungee/api/plugin/PluginManager.java b/api/src/main/java/net/md_5/bungee/api/plugin/PluginManager.java
index 0f16347d..684f4141 100644
--- a/api/src/main/java/net/md_5/bungee/api/plugin/PluginManager.java
+++ b/api/src/main/java/net/md_5/bungee/api/plugin/PluginManager.java
@@ -177,7 +177,7 @@ public class PluginManager
 
         for (File file : folder.listFiles())
         {
-            if (file.getName().endsWith(".jar"))
+            if (file.isFile() && file.getName().endsWith(".jar"))
             {
                 try
                 {