diff --git a/src/main/java/com/sk89q/bukkit/migration/DinnerPermsResolver.java b/src/main/java/com/sk89q/bukkit/migration/DinnerPermsResolver.java
index e07f08191..cdbc7045b 100644
--- a/src/main/java/com/sk89q/bukkit/migration/DinnerPermsResolver.java
+++ b/src/main/java/com/sk89q/bukkit/migration/DinnerPermsResolver.java
@@ -60,7 +60,7 @@ public class DinnerPermsResolver implements PermissionsResolver {
             String perm = permAttach.getPermission();
             if (!perm.startsWith(GROUP_PREFIX))
                 continue;
-            groupNames.add(perm.substring(perm.indexOf(GROUP_PREFIX), perm.length()));
+            groupNames.add(perm.substring(GROUP_PREFIX.length(), perm.length()));
         }
         return groupNames.toArray(new String[groupNames.size()]);
     }
diff --git a/src/main/java/com/sk89q/bukkit/migration/NijiPermissionsResolver.java b/src/main/java/com/sk89q/bukkit/migration/NijiPermissionsResolver.java
index dd53a35f0..086862ccf 100644
--- a/src/main/java/com/sk89q/bukkit/migration/NijiPermissionsResolver.java
+++ b/src/main/java/com/sk89q/bukkit/migration/NijiPermissionsResolver.java
@@ -19,6 +19,7 @@
 
 package com.sk89q.bukkit.migration;
 
+import org.bukkit.Bukkit;
 import org.bukkit.Server;
 import org.bukkit.command.PluginCommand;
 import org.bukkit.entity.Player;
@@ -43,7 +44,7 @@ public class NijiPermissionsResolver implements PermissionsResolver {
         if (plugin == null) {
             throw new MissingPluginException();
         }
-        if (!checkRealNijiPerms(plugin, ignoreBridges))
+        if (!checkRealNijiPerms(ignoreBridges))
             throw new MissingPluginException();
         
         try {
@@ -130,12 +131,12 @@ public class NijiPermissionsResolver implements PermissionsResolver {
         private static final long serialVersionUID = 7044832912491608706L;
     }
 
-    public static boolean checkRealNijiPerms(Plugin plugin, boolean ignoreBridges) {
+    public static boolean checkRealNijiPerms(boolean ignoreBridges) {
         if (!ignoreBridges)
             return true;
-        PluginCommand permsCommand = plugin.getServer().getPluginCommand("permissions");
+        PluginCommand permsCommand = Bukkit.getServer().getPluginCommand("permissions");
         if (permsCommand == null)
             return false;
-        return !permsCommand.getPlugin().getDescription().getName().equals("Permissions");
+        return permsCommand.getPlugin().getDescription().getName().equals("Permissions");
     }
 }
diff --git a/src/main/java/com/sk89q/bukkit/migration/PermissionsResolverServerListener.java b/src/main/java/com/sk89q/bukkit/migration/PermissionsResolverServerListener.java
index fdaf4dfd0..f64e8c486 100644
--- a/src/main/java/com/sk89q/bukkit/migration/PermissionsResolverServerListener.java
+++ b/src/main/java/com/sk89q/bukkit/migration/PermissionsResolverServerListener.java
@@ -45,7 +45,7 @@ public class PermissionsResolverServerListener extends ServerListener {
         if (plugin instanceof PermissionsProvider) {
             manager.setPluginPermissionsResolver(plugin);
         } else if (name.equalsIgnoreCase("Permissions") &&
-                NijiPermissionsResolver.checkRealNijiPerms(plugin, manager.ignoreNijiPermsBridges)) {
+                NijiPermissionsResolver.checkRealNijiPerms(manager.ignoreNijiPermsBridges)) {
             manager.findResolver();
             manager.load();
         }
@@ -63,7 +63,7 @@ public class PermissionsResolverServerListener extends ServerListener {
         
         if (plugin instanceof PermissionsProvider
                 || (name.equalsIgnoreCase("Permissions") &&
-                NijiPermissionsResolver.checkRealNijiPerms(plugin, manager.ignoreNijiPermsBridges))) {
+                NijiPermissionsResolver.checkRealNijiPerms(manager.ignoreNijiPermsBridges))) {
             manager.findResolver();
             manager.load();
         }