diff --git a/usr/lib/zabbix-check/bin/zabbix-check-drbd-discover b/usr/lib/zabbix-check/bin/zabbix-check-drbd-discover
index efe6197..0201fac 100755
--- a/usr/lib/zabbix-check/bin/zabbix-check-drbd-discover
+++ b/usr/lib/zabbix-check/bin/zabbix-check-drbd-discover
@@ -1,18 +1,8 @@
 #!/bin/bash
 
-i=0
-echo '{
-    "data": ['
+comma=""
+echo -n '{ "data": ['
 
-drbd-overview | awk -F ':' '{print $1}' | while read -e l; do
-	if ! [ "$l" -eq "$l" ] 2>/dev/null; then continue; fi
-	if [ "$i" -gt "0" ]; then echo ","; fi	
-	i=1
-	echo -n '{ "{#RES}" : "' 
-	echo -n $l 
-	echo -n '" }'
-done
+for k in $(cat /proc/drbd | cut -d: -f1); do test -z "${k##[0-9]*}" && echo -n $comma "{ \"{#RES}\": \"$k\" }" && comma=","; done
 
-echo '
-    ]
-}'
+echo ']}'