diff --git a/src/config.cpp b/src/config.cpp
index 96a170cd..f0b6d983 100644
--- a/src/config.cpp
+++ b/src/config.cpp
@@ -164,6 +164,7 @@ Config::Config()
   _map["category.action"]        = &category.action;
   _map["category.create"]        = &category.create;
   _map["category.search"]        = &category.search;
+  _map["debug"]                  = &debug;
   _map["direct_io"]              = &direct_io;
   _map["direct-io-allow-mmap"]   = &direct_io_allow_mmap;
   _map["dropcacheonclose"]       = &dropcacheonclose;