diff --git a/mysql/postinstall.pl b/mysql/postinstall.pl
index 4d2189055..269dcb56a 100644
--- a/mysql/postinstall.pl
+++ b/mysql/postinstall.pl
@@ -4,7 +4,7 @@ require 'mysql-lib.pl';
 sub module_install
 {
 my $mysql_version = &get_mysql_version();
-if ($mysql_version > 0) {
+if ($mysql_version && $mysql_version >= 0) {
 	&save_mysql_version($mysql_version);
 	&create_module_info_overrides();
 	}