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-rw-r--r--mysql-test/lib/My/Config.pm2
1 files changed, 1 insertions, 1 deletions
diff --git a/mysql-test/lib/My/Config.pm b/mysql-test/lib/My/Config.pm
index e5469d8c62e..12647edf0a4 100644
--- a/mysql-test/lib/My/Config.pm
+++ b/mysql-test/lib/My/Config.pm
@@ -47,7 +47,7 @@ sub option {
my $value= $self->{value};
my $opt= $name;
- $opt= "$name=$value" if ($value);
+ $opt= "$name=$value" if (defined $value);
$opt= "--$opt" unless ($opt =~ /^--/);
return $opt;
}