diff --git a/default.cfg b/default.cfg
index 19e9a71..6292735 100644
--- a/default.cfg
+++ b/default.cfg
@@ -860,7 +860,7 @@ sp_extern_paren                 = ignore   # ignore/add/remove/force
 
 # Add or remove space after the opening of a C++ comment,
 # i.e. '// A' vs. '//A'.
-sp_cmt_cpp_start                = add      # ignore/add/remove/force
+sp_cmt_cpp_start                = ignore   # ignore/add/remove/force
 
 # If true, space is added with sp_cmt_cpp_start will be added after doxygen
 # sequences like '///', '///<', '//!' and '//!<'.