2 files changed, 5 insertions, 3 deletions
diff --git a/lib/puppet/functions/deprecation.rb b/lib/puppet/functions/deprecation.rb
index 3b84ae5..6b7b977 100644
--- a/lib/puppet/functions/deprecation.rb
+++ b/lib/puppet/functions/deprecation.rb
@@ -15,7 +15,7 @@ Puppet::Functions.create_function(:deprecation) do
     when :error
       fail("deprecation. #{key}. #{message}")
     else
-      Puppet.warn_once('deprecation', key, message)
+      Puppet.deprecation_warning(message, key)
     end
   end
 end
diff --git a/lib/puppet/parser/functions/deprecation.rb b/lib/puppet/parser/functions/deprecation.rb
index fc861a6..e30f3a0 100644
--- a/lib/puppet/parser/functions/deprecation.rb
+++ b/lib/puppet/parser/functions/deprecation.rb
@@ -9,7 +9,9 @@ EOS
 
     key = arguments[0]
     message = arguments[1]
-
-    warning("deprecation. #{key}. #{message}")
+    
+    if ENV['STDLIB_LOG_DEPRECATIONS'] == "true"
+      warning("deprecation. #{key}. #{message}")
+    end
   end
 end