diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7129ac57..70d61d13 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -131,7 +131,7 @@ include_directories(include
     ${CMAKE_SOURCE_DIR}
 )
 
-
+option (XQC_PRINT_SECRET "enable TLS secret printing" OFF)
 
 # print tls traffic secret in keylog
 if(XQC_PRINT_SECRET)