diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3e5bbccc..5f2ae454 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -63,6 +63,8 @@ if(("${CMAKE_C_COMPILER_ID}" STREQUAL "GNU" OR "${CMAKE_C_COMPILER_ID}" MATCHES
     # set(CMAKE_C_FLAGS_RELEASE -O2)
     # CMake Debug default for GCC/Clang is "-g -DNDEBUG"
     # set(CMAKE_C_FLAGS_DEBUG -g3 -O0)
+    # make use of ASAN
+    set(CMAKE_C_FLAGS_DEBUG "-ggdb -fsanitize=undefined -fsanitize=address -fno-omit-frame-pointer")
 endif()
 if("${CMAKE_C_COMPILER_ID}" MATCHES "Clang")
     # make sure we don't accidentally copy more than an int