diff --git a/salt/modules/yumpkg.py b/salt/modules/yumpkg.py
index e962b5928d..add1433412 100644
--- a/salt/modules/yumpkg.py
+++ b/salt/modules/yumpkg.py
@@ -13,7 +13,7 @@ def __virtual__():
     # python <= 2.6
     dists = 'CentOS Scientific RedHat Fedora'
     if dists.count(__grains__['os']):
-        if int(__grains__['release'].split('.')[0]) >= 6:
+        if int(__grains__['osrelease'].split('.')[0]) >= 6:
             return 'pkg' 
     else:
         return False
diff --git a/salt/modules/yumpkg5.py b/salt/modules/yumpkg5.py
index 7bccde9b90..5ca0e01749 100644
--- a/salt/modules/yumpkg5.py
+++ b/salt/modules/yumpkg5.py
@@ -8,7 +8,7 @@ def __virtual__():
     # We don't need to support pre-yum OSes because they don't support python 2.6
     dists = 'CentOS Scientific RedHat Fedora'
     if dists.count(__grains__['os']):
-        if int(__grains__['release'].split('.')[0]) == 5:
+        if int(__grains__['osrelease'].split('.')[0]) == 5:
             return 'pkg' 
     else:
         return False