diff --git a/scripts/mysql_secure_installation.sh b/scripts/mysql_secure_installation.sh
index c92cb1262df..2df8789803b 100644
--- a/scripts/mysql_secure_installation.sh
+++ b/scripts/mysql_secure_installation.sh
@@ -185,7 +185,7 @@ remove_test_database() {
     fi
 
     echo " - Removing privileges on test database..."
-    do_query "DELETE FROM mysql.db WHERE Db='test' OR Db='test\\_%'"
+    do_query "DELETE FROM mysql.db WHERE Db='test' OR Db LIKE 'test\\_%'"
     if [ $? -eq 0 ]; then
 	echo " ... Success!"
     else