diff --git a/local/share/check_mk/agents/special/agent_mailcow b/local/share/check_mk/agents/special/agent_mailcow
index cc368d2..dac2e54 100755
--- a/local/share/check_mk/agents/special/agent_mailcow
+++ b/local/share/check_mk/agents/special/agent_mailcow
@@ -150,8 +150,11 @@ def getMailboxInfo(headers, verify, base_url):
             name = data[i].get("name")
             # get number of messages in mailbox
             num_messages = data[i].get("messages")
-            # get quota used in percent
+            # get quota used in percent (rounded to full percent)
             percent_in_use = data[i].get("percent_in_use")
+            # get quota and quota used in bytes
+            quota = data[i].get("quota")
+            quota_used = data[i].get("quota_used")
             # get creation and last modification date
             created = data[i].get("created")
             modified = data[i].get("modified")