diff --git a/libraries/pacemaker/constraint/colocation.rb b/libraries/pacemaker/constraint/colocation.rb
index a91090c..080df05 100644
--- a/libraries/pacemaker/constraint/colocation.rb
+++ b/libraries/pacemaker/constraint/colocation.rb
@@ -11,7 +11,7 @@ class Pacemaker::Constraint::Colocation < Pacemaker::Constraint
   end
 
   def parse_definition
-    unless definition =~ /^#{TYPE} (\S+) (\d+|[-+]?inf): (.+?)\s*$/
+    unless definition =~ /^#{self.class::TYPE} (\S+) (\d+|[-+]?inf): (.+?)\s*$/
       raise Pacemaker::CIBObject::DefinitionParseError, \
         "Couldn't parse definition '#{definition}'"
     end
@@ -21,7 +21,7 @@ class Pacemaker::Constraint::Colocation < Pacemaker::Constraint
   end
 
   def definition_string
-    "#{TYPE} #{name} #{score}: " + resources.join(' ')
+    "#{self.class::TYPE} #{name} #{score}: " + resources.join(' ')
   end
 
   def crm_configure_command
diff --git a/libraries/pacemaker/resource/clone.rb b/libraries/pacemaker/resource/clone.rb
index 5cd916d..c7145d9 100644
--- a/libraries/pacemaker/resource/clone.rb
+++ b/libraries/pacemaker/resource/clone.rb
@@ -14,7 +14,7 @@ class Pacemaker::Resource::Clone < Pacemaker::Resource
   end
 
   def definition_string
-    str = "#{TYPE} #{name} #{rsc}"
+    str = "#{self.class::TYPE} #{name} #{rsc}"
     unless meta.empty?
       str << continuation_line(meta_string)
     end
@@ -22,7 +22,7 @@ class Pacemaker::Resource::Clone < Pacemaker::Resource
   end
 
   def parse_definition
-    unless definition =~ /^#{TYPE} (\S+) (\S+)/
+    unless definition =~ /^#{self.class::TYPE} (\S+) (\S+)/
       raise Pacemaker::CIBObject::DefinitionParseError, \
         "Couldn't parse definition '#{definition}'"
     end
diff --git a/libraries/pacemaker/resource/group.rb b/libraries/pacemaker/resource/group.rb
index 6238f74..a4f579f 100644
--- a/libraries/pacemaker/resource/group.rb
+++ b/libraries/pacemaker/resource/group.rb
@@ -14,7 +14,7 @@ class Pacemaker::Resource::Group < Pacemaker::Resource
   end
 
   def parse_definition
-    unless definition =~ /^#{TYPE} (\S+) (.+?)(\s+\\)?$/
+    unless definition =~ /^#{self.class::TYPE} (\S+) (.+?)(\s+\\)?$/
       raise Pacemaker::CIBObject::DefinitionParseError, \
         "Couldn't parse definition '#{definition}'"
     end
@@ -27,7 +27,7 @@ class Pacemaker::Resource::Group < Pacemaker::Resource
   end
 
   def definition_string
-    str = "#{TYPE} #{name} " + members.join(' ')
+    str = "#{self.class::TYPE} #{name} " + members.join(' ')
     unless meta.empty?
       str << continuation_line(meta_string)
     end
diff --git a/libraries/pacemaker/resource/primitive.rb b/libraries/pacemaker/resource/primitive.rb
index d97f3f5..ec3c8c9 100644
--- a/libraries/pacemaker/resource/primitive.rb
+++ b/libraries/pacemaker/resource/primitive.rb
@@ -21,7 +21,7 @@ class Pacemaker::Resource::Primitive < Pacemaker::Resource
   end
 
   def parse_definition
-    unless definition =~ /\A#{TYPE} (\S+) (\S+)/
+    unless definition =~ /\A#{self.class::TYPE} (\S+) (\S+)/
       raise Pacemaker::CIBObject::DefinitionParseError, \
         "Couldn't parse definition '#{definition}'"
     end
@@ -50,7 +50,7 @@ class Pacemaker::Resource::Primitive < Pacemaker::Resource
   end
 
   def definition_string
-    str = "#{TYPE} #{name} #{agent}"
+    str = "#{self.class::TYPE} #{name} #{agent}"
     %w(params meta op).each do |data_type|
       unless send(data_type).empty?
         data_string = send("#{data_type}_string")