diff --git a/zabbix-agent-scripts/discover_apache2_user_agent_metrics.py b/zabbix-agent-scripts/discover_apache2_user_agent_metrics.py
index ff0af1a..b9816d2 100644
--- a/zabbix-agent-scripts/discover_apache2_user_agent_metrics.py
+++ b/zabbix-agent-scripts/discover_apache2_user_agent_metrics.py
@@ -23,11 +23,11 @@
 
 import json
 
-df = pd.read_json("/var/lib/zabbix/output/apache2_user_agent_metrics.json")
+norm_user_agents = json.load(open("/var/lib/zabbix/output/apache2_user_agent_metrics.json"))
 
 norm_user_agent_list = []
 
-for norm_user_agent in df.norm_user_agent:
+for norm_user_agent in norm_user_agents.keys():
 
     norm_user_agent_list.append(
                                 {"{#NORM_USER_AGENT}":norm_user_agent}