diff --git a/lib/puppet/type/ring_account_device.rb b/lib/puppet/type/ring_account_device.rb
index 8ea38c88..6e3ea375 100644
--- a/lib/puppet/type/ring_account_device.rb
+++ b/lib/puppet/type/ring_account_device.rb
@@ -15,7 +15,11 @@ Puppet::Type.newtype(:ring_account_device) do
 
   newproperty(:device_name)
 
-  newproperty(:weight)
+  newproperty(:weight) do
+    munge do |value|
+      "%.2f" % value
+    end
+  end
 
   newproperty(:meta)
 
diff --git a/lib/puppet/type/ring_container_device.rb b/lib/puppet/type/ring_container_device.rb
index dfad5d9f..e84b31e4 100644
--- a/lib/puppet/type/ring_container_device.rb
+++ b/lib/puppet/type/ring_container_device.rb
@@ -15,7 +15,11 @@ Puppet::Type.newtype(:ring_container_device) do
 
   newproperty(:device_name)
 
-  newproperty(:weight)
+  newproperty(:weight) do
+    munge do |value|
+      "%.2f" % value
+    end
+  end
 
   newproperty(:meta)
 
diff --git a/lib/puppet/type/ring_object_device.rb b/lib/puppet/type/ring_object_device.rb
index c9da89aa..afcd6d66 100644
--- a/lib/puppet/type/ring_object_device.rb
+++ b/lib/puppet/type/ring_object_device.rb
@@ -15,7 +15,11 @@ Puppet::Type.newtype(:ring_object_device) do
 
   newproperty(:device_name)
 
-  newproperty(:weight)
+  newproperty(:weight) do
+    munge do |value|
+      "%.2f" % value
+    end
+  end
 
   newproperty(:meta)