diff --git a/zabbix-agent-scripts/read_db_metrics.py b/zabbix-agent-scripts/read_db_metrics.py
index b930d19..d749c5f 100644
--- a/zabbix-agent-scripts/read_db_metrics.py
+++ b/zabbix-agent-scripts/read_db_metrics.py
@@ -6,11 +6,10 @@
 
 metric = sys.argv[2]
 
-df = pd.read_json("/var/lib/zabbix/output/db_metrics.json").query("table=='%s'" % table)
+df = pd.read_json("/var/lib/zabbix/output/db_metrics.json").query("table_name=='%s'" % table)
 
 idx = df.index.values[0]
 
 value = df.to_dict()[metric][idx]
 
 print(value)
-