diff --git a/zabbix-agent-scripts/get_db_metrics.py b/zabbix-agent-scripts/get_db_metrics.py
index 6b403ea..815f5c6 100644
--- a/zabbix-agent-scripts/get_db_metrics.py
+++ b/zabbix-agent-scripts/get_db_metrics.py
@@ -23,7 +23,7 @@
 
 import configparser
 
-from functions import get_param
+import json
 
 config = configparser.ConfigParser()
 
@@ -35,11 +35,13 @@
 
 param_file = "/var/lib/zabbix/params.json"
 
-nc_db      = get_param(param_file,"nc_db")
+params = json.load(open(param_file))
 
-nc_db_host    = get_param(param_file,"nc_db_host")
+nc_db = params["nc_db"]
 
-nc_db_port = get_param(param_file,"nc_db_port")
+nc_db_host = params["nc_db_host"]
+
+nc_db_port = int(params["nc_db_port"])
 
 conn = mdb.connect( user=nc_usr,
                     password=nc_usr_pwd,