diff --git a/lib/puppet/type/glance_api_config.rb b/lib/puppet/type/glance_api_config.rb
index 97e171cf..d7bd10f9 100644
--- a/lib/puppet/type/glance_api_config.rb
+++ b/lib/puppet/type/glance_api_config.rb
@@ -9,10 +9,11 @@ Puppet::Type.newtype(:glance_api_config) do
 
   newproperty(:value) do
     desc 'The value of the setting to be defined.'
-    munge do |v|
-      v.to_s.strip
+    munge do |value|
+      value = value.to_s.strip
+      value.capitalize! if value =~ /^(true|false)$/i
+      value
     end
   end
 
-
 end
diff --git a/lib/puppet/type/glance_api_paste_ini.rb b/lib/puppet/type/glance_api_paste_ini.rb
index 8e3eb4e0..740f2bbc 100644
--- a/lib/puppet/type/glance_api_paste_ini.rb
+++ b/lib/puppet/type/glance_api_paste_ini.rb
@@ -9,10 +9,11 @@ Puppet::Type.newtype(:glance_api_paste_ini) do
 
   newproperty(:value) do
     desc 'The value of the setting to be defined.'
-    munge do |v|
-      v.to_s.strip
+    munge do |value|
+      value = value.to_s.strip
+      value.capitalize! if value =~ /^(true|false)$/i
+      value
     end
   end
 
-
 end
diff --git a/lib/puppet/type/glance_cache_config.rb b/lib/puppet/type/glance_cache_config.rb
index d35d68d7..ae0254e1 100644
--- a/lib/puppet/type/glance_cache_config.rb
+++ b/lib/puppet/type/glance_cache_config.rb
@@ -9,10 +9,11 @@ Puppet::Type.newtype(:glance_cache_config) do
 
   newproperty(:value) do
     desc 'The value of the setting to be defined.'
-    munge do |v|
-      v.to_s.strip
+    munge do |value|
+      value = value.to_s.strip
+      value.capitalize! if value =~ /^(true|false)$/i
+      value
     end
   end
 
-
 end
diff --git a/lib/puppet/type/glance_registry_config.rb b/lib/puppet/type/glance_registry_config.rb
index f51213b8..3b08e6a6 100644
--- a/lib/puppet/type/glance_registry_config.rb
+++ b/lib/puppet/type/glance_registry_config.rb
@@ -9,10 +9,11 @@ Puppet::Type.newtype(:glance_registry_config) do
 
   newproperty(:value) do
     desc 'The value of the setting to be defined.'
-    munge do |v|
-      v.to_s.strip
+    munge do |value|
+      value = value.to_s.strip
+      value.capitalize! if value =~ /^(true|false)$/i
+      value
     end
   end
 
-
 end
diff --git a/lib/puppet/type/glance_registry_paste_ini.rb b/lib/puppet/type/glance_registry_paste_ini.rb
index 8b96a655..8c9b956b 100644
--- a/lib/puppet/type/glance_registry_paste_ini.rb
+++ b/lib/puppet/type/glance_registry_paste_ini.rb
@@ -9,10 +9,11 @@ Puppet::Type.newtype(:glance_registry_paste_ini) do
 
   newproperty(:value) do
     desc 'The value of the setting to be defined.'
-    munge do |v|
-      v.to_s.strip
+    munge do |value|
+      value = value.to_s.strip
+      value.capitalize! if value =~ /^(true|false)$/i
+      value
     end
   end
 
-
 end