diff --git a/lib/puppet/provider/glance.rb b/lib/puppet/provider/glance.rb
index a47e7109..4e66429f 100644
--- a/lib/puppet/provider/glance.rb
+++ b/lib/puppet/provider/glance.rb
@@ -8,8 +8,4 @@ class Puppet::Provider::Glance < Puppet::Provider::Openstack
 
   extend Puppet::Provider::Openstack::Auth
 
-  def bool_to_sym(bool)
-    bool == true ? :true : :false
-  end
-
 end
diff --git a/lib/puppet/provider/glance_image/openstack.rb b/lib/puppet/provider/glance_image/openstack.rb
index cb4114e6..6b205b0e 100644
--- a/lib/puppet/provider/glance_image/openstack.rb
+++ b/lib/puppet/provider/glance_image/openstack.rb
@@ -74,7 +74,7 @@ Puppet::Type.type(:glance_image).provide(
       @property_hash = {
         :ensure           => :present,
         :name             => attrs[:name],
-        :is_public        => attrs[:visibility].downcase.chomp == 'public'? true : false,
+        :is_public        => attrs[:visibility].downcase.chomp == 'public'? :true : :false,
         :container_format => attrs[:container_format],
         :id               => attrs[:id],
         :disk_format      => attrs[:disk_format],
@@ -100,12 +100,12 @@ Puppet::Type.type(:glance_image).provide(
     @property_hash.clear
   end
 
-  mk_resource_methods
-
   def is_public
-    bool_to_sym(@property_hash[:is_public])
+    @property_hash[:is_public]
   end
 
+  mk_resource_methods
+
   [
     :is_public,
     :disk_format,
@@ -134,7 +134,7 @@ Puppet::Type.type(:glance_image).provide(
       new(
         :ensure           => :present,
         :name             => attrs[:name],
-        :is_public        => attrs[:visibility].downcase.chomp == 'public'? true : false,
+        :is_public        => attrs[:visibility].downcase.chomp == 'public'? :true : :false,
         :container_format => attrs[:container_format],
         :id               => attrs[:id],
         :disk_format      => attrs[:disk_format],
diff --git a/lib/puppet/type/glance_image.rb b/lib/puppet/type/glance_image.rb
index 34c11838..ace48aae 100644
--- a/lib/puppet/type/glance_image.rb
+++ b/lib/puppet/type/glance_image.rb
@@ -41,14 +41,13 @@ Puppet::Type.newtype(:glance_image) do
   newproperty(:is_public) do
     desc "Whether the image is public or not. Default true"
     newvalues(/(y|Y)es/, /(n|N)o/, /(t|T)rue/, /(f|F)alse/, true, false)
-    defaultto(true)
-    munge do |v|
-      if v =~ /^(y|Y)es$/
+    defaultto(:true)
+    munge do |value|
+      case value.to_s.downcase
+      when 'true', 'yes'
         :true
-      elsif v =~ /^(n|N)o$/
-        :false
       else
-        v.to_s.downcase.to_sym
+        :false
       end
     end
   end