diff --git a/lib/merge-config.js b/lib/merge-config.js
index ffe3aa9..fdddbb3 100644
--- a/lib/merge-config.js
+++ b/lib/merge-config.js
@@ -268,7 +268,8 @@ function mergeConfig(options, context, gitRawCommitsOpts, parserOpts, writerOpts
             }
 
             return context;
-          }
+          },
+          debug: options.debug
         },
         config.writerOpts, {
           reverse: options.append,
diff --git a/readme.md b/readme.md
index f870af9..a01f66c 100644
--- a/readme.md
+++ b/readme.md
@@ -190,6 +190,10 @@ Finalize context is used for generating above context.
 
 **NOTE:** If you overwrite this value the above context defaults will be gone.
 
+##### debug
+
+Type: `function` Default: `options.debug`
+
 ##### reverse
 
 Default: `options.append`