diff --git a/zabbix-agent-scripts/get_storage_metrics.py b/zabbix-agent-scripts/get_storage_metrics.py
index 6882064..fe01da0 100644
--- a/zabbix-agent-scripts/get_storage_metrics.py
+++ b/zabbix-agent-scripts/get_storage_metrics.py
@@ -4,14 +4,12 @@
 
 datadir = subprocess.check_output(["occ", "config:system:get", "datadirectory"]).strip(b"\n").decode()
 
-total_size = subprocess.check_output(["du","-d0", datadir]).split(b"\t")[0].decode()
+total_size = subprocess.check_output(["du","-b", "-d0", datadir]).split(b"\t")[0].decode()
 
-total_size_gb = int(total_size)/1024./1024.
+total_size_gb = int(total_size)/1024./1024./1024.
 
-total_size_gb = "{:,.2f} Gb".format(total_size_gb)
+total_size_dict = { "total_size_gb": total_size_gb }
 
-total_size_dict = { "total_size": total_size,
-                            "total_size_gb": total_size_gb}
 
 with open("/var/lib/zabbix/output/storage_metrics.json","w") as fl: