diff --git a/source/net/sourceforge/filebot/cli/ScriptShell.java b/source/net/sourceforge/filebot/cli/ScriptShell.java
index d47f73d9..77aa83a6 100644
--- a/source/net/sourceforge/filebot/cli/ScriptShell.java
+++ b/source/net/sourceforge/filebot/cli/ScriptShell.java
@@ -8,6 +8,7 @@ import java.awt.AWTPermission;
 import java.io.File;
 import java.io.FilePermission;
 import java.io.InputStreamReader;
+import java.lang.management.ManagementPermission;
 import java.lang.reflect.ReflectPermission;
 import java.net.SocketPermission;
 import java.net.URI;
@@ -170,10 +171,14 @@ class ScriptShell {
 		Permissions permissions = new Permissions();
 		
 		permissions.add(new RuntimePermission("createClassLoader"));
+		permissions.add(new RuntimePermission("accessClassInPackage.*"));
+		permissions.add(new RuntimePermission("modifyThread"));
 		permissions.add(new FilePermission("<<ALL FILES>>", "read"));
 		permissions.add(new SocketPermission("*", "connect"));
 		permissions.add(new PropertyPermission("*", "read"));
 		permissions.add(new RuntimePermission("getenv.*"));
+		permissions.add(new RuntimePermission("getFileSystemAttributes"));
+		permissions.add(new ManagementPermission("monitor"));
 		
 		// write permissions for temp and cache folders
 		permissions.add(new FilePermission(new File(System.getProperty("ehcache.disk.store.dir")).getAbsolutePath() + File.separator + "-", "write, delete"));
diff --git a/source/net/sourceforge/filebot/cli/ScriptShell.lib.groovy b/source/net/sourceforge/filebot/cli/ScriptShell.lib.groovy
index a889f8b7..b38ec026 100644
--- a/source/net/sourceforge/filebot/cli/ScriptShell.lib.groovy
+++ b/source/net/sourceforge/filebot/cli/ScriptShell.lib.groovy
@@ -257,11 +257,12 @@ List.metaClass.sortBySimilarity = { prime, Closure toStringFunction = { obj -> o
 // call scripts
 def executeScript(String input, Map bindings = [:], Object... args) {
 	// apply parent script defines
-	def parameters = new javax.script.SimpleBindings(bindings != null ? _def : [:])
-	parameters.putAll(bindings)
-	
+	def parameters = new javax.script.SimpleBindings()
+		
 	// initialize default parameter
-	parameters['args'] = (args as List).flatten().findResults{ it as File }
+	parameters.putAll(_def)
+	parameters.putAll(bindings)
+	parameters.put('args', args.toList().flatten().findResults{ it as File })
 	
 	// run given script
 	_shell.runScript(input, parameters)