diff --git a/interface/ri_func_dep.py b/interface/ri_func_dep.py
index 43940aa..fdb9603 100644
--- a/interface/ri_func_dep.py
+++ b/interface/ri_func_dep.py
@@ -61,10 +61,8 @@ class RAID(FunctionDepending):
         FunctionDepending.__init__(self, 'mdadm')
             
     def check(self):
-        if 'mdadm' not in Pkg.list:
-            for i in ri_data.Raid.dict.values():
-                if i.from_os == 'no' or i.from_os == 'yes':
-                    return False
+        if 'mdadm' not in Pkg.list and ri_data.Raid.dict:
+            return False
         return True
 
     def error(self):