diff --git a/plugins/lxd/lxd_disk b/plugins/lxd/lxd_disk
index 9e7c04f5..04988bbc 100755
--- a/plugins/lxd/lxd_disk
+++ b/plugins/lxd/lxd_disk
@@ -10,7 +10,7 @@ try:
 except:
     HAS_LIB=False
     errors.append("no pylxd module")
-    
+
 c=None
 HAS_ACCESS=True
 try:
@@ -38,11 +38,19 @@ if len(sys.argv) == 2 and sys.argv[1]=="config":
     print("graph_category lxd")
     print("graph_info This shows the disk usage of storage in containers. Make sure to install pylxd in python3.")
     for name in c.container_list():
-        for disk in c.container_info(name)['disk']:
-            print(name+"-"+disk+".label "+name)
-            print(name+"-"+disk+".draw LINE2")
+        info = c.container_info(name)
+        # first check if disk information list is available or None
+        if info['disk']:
+            # if no disk information is present, this would fail to iteration None
+            for disk in info['disk']:
+                print(name+"-"+disk+".label "+name)
+                print(name+"-"+disk+".draw LINE2")
     sys.exit(0)
 
 for name in c.container_list():
-    for disk in c.container_info(name)['disk']:
-        print(name+"-"+disk+".value "+str(c.container_info(name)['disk'][disk]['usage']))
+    info = c.container_info(name)
+    # first check if disk information list is available or None
+    if info['disk']:
+        # if no disk information is present, this would fail to iteration None
+        for disk in info['disk']:
+            print(name+"-"+disk+".value "+str(info['disk'][disk]['usage']))