diff --git a/CMakeLists.txt b/CMakeLists.txt
index c587a661..ee85b1ed 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -25,6 +25,10 @@ else()
   add_compile_options(-W -Wall -Wno-deprecated-declarations)
 endif()
 
+# optional address sanitizer, outcomment to turn on
+#add_compile_options(-fsanitize=address)
+#add_link_options(-fsanitize=address)
+
 # find git
 find_package(Git)