diff --git a/source/net/sourceforge/filebot/cli/ScriptShell.lib.groovy b/source/net/sourceforge/filebot/cli/ScriptShell.lib.groovy
index 493600d0..39e3eb8f 100644
--- a/source/net/sourceforge/filebot/cli/ScriptShell.lib.groovy
+++ b/source/net/sourceforge/filebot/cli/ScriptShell.lib.groovy
@@ -99,11 +99,11 @@ Object.metaClass.applyTextTemplate = { template -> new GStringTemplateEngine().c
 // Shell helper
 import static com.sun.jna.Platform.*
 
-def execute(String... args) {
-	def cmd = args.toList()
+def execute(Object... args) {
+	def cmd = args.toList()*.toString()
 	if (isWindows()) {
 		// normalize file separator for windows and run with cmd so any executable in PATH will just work
-		cmd = ['cmd', '/c'] + cmd*.replace('/','\\')
+		cmd = ['cmd', '/c'] + cmd
 	}
 	
 	if (!_args.trustScript) {