diff --git a/tests/libperl/runproduct.pm b/tests/libperl/runproduct.pm
index ddd56bf..59898ac 100644
--- a/tests/libperl/runproduct.pm
+++ b/tests/libperl/runproduct.pm
@@ -37,7 +37,7 @@ my %products = (
 	'javap4' => {
 		'binary' => '../javaprssrvr/java',
 		'chdir' => './javaprssrvr4',
-		'stdargs' => '-server -cp javAPRSSrvr.jar SrvrMain',
+		'stdargs' => '-server -jar javAPRSSrvr.jar',
 		'cfgfileargs' => '',
 		'cfgdir' => '.',
 		'dieswith' => 15,