diff --git a/mysql-test/mysql-test-run.pl b/mysql-test/mysql-test-run.pl
index ab3887c6cd4..1dc3ce9ed85 100755
--- a/mysql-test/mysql-test-run.pl
+++ b/mysql-test/mysql-test-run.pl
@@ -132,7 +132,7 @@ our @opt_extra_mysqld_opt;
 
 my $opt_compress;
 my $opt_ssl;
-my $opt_skip_ssl;
+my $opt_skip_ssl = 1; # Until bug#42366 has been fixed
 my $opt_ssl_supported;
 my $opt_ps_protocol;
 my $opt_sp_protocol;