diff --git a/attributes/default.rb b/attributes/default.rb
index 6de0c53..67bcf14 100644
--- a/attributes/default.rb
+++ b/attributes/default.rb
@@ -25,6 +25,8 @@
 default['nexus3']['properties_variables']['nexus-context-path'] = '/'
 default['nexus3']['properties_variables']['nexus.scripts.allowCreation'] = 'true'
 
+default['nexus3']['logback_variables'] = {}
+
 default['nexus3']['nofile_limit'] = 65_536
 
 # Nexus JVM tunning