diff --git a/mysql-test/mysql-test-run.pl b/mysql-test/mysql-test-run.pl
index 8dbf8813ddd..e896de99196 100755
--- a/mysql-test/mysql-test-run.pl
+++ b/mysql-test/mysql-test-run.pl
@@ -1884,9 +1884,12 @@ sub executable_setup () {
 sub client_debug_arg($$) {
   my ($args, $client_name)= @_;
 
+  # Workaround for Bug #50627: drop any debug opt
+  return if $client_name =~ /^mysqlbinlog/;
+
   if ( $opt_debug ) {
     mtr_add_arg($args,
-		"--debug=$debug_d:t:A,%s/log/%s.trace",
+		"--loose-debug=$debug_d:t:A,%s/log/%s.trace",
 		$path_vardir_trace, $client_name)
   }
 }