diff --git a/cmake/common/px4_base.cmake b/cmake/common/px4_base.cmake
index 014fdda23a..70b2a7d854 100644
--- a/cmake/common/px4_base.cmake
+++ b/cmake/common/px4_base.cmake
@@ -659,6 +659,7 @@ function(px4_add_common_flags)
 	endif()
 
 	if ($ENV{MEMORY_DEBUG} MATCHES "1")
+		message(STATUS "address sanitizer enabled")
 		set(max_optimization -Os)
 
 		set(optimization_flags