diff --git a/spug_api/apps/host/utils.py b/spug_api/apps/host/utils.py
index 4597894..670f600 100644
--- a/spug_api/apps/host/utils.py
+++ b/spug_api/apps/host/utils.py
@@ -207,7 +207,7 @@ def fetch_host_extend(ssh):
                     response['private_ip_address'].append(ip)
         elif index == 3:
             response['os_name'] = line
-        else:
+        elif line:
             response['disk'].append(round(int(line) / 1024 / 1024 / 1024, 0))
     return response