diff --git a/CMakeLists.txt b/CMakeLists.txt
index d42c0e92915..5aafd3bb4a7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -143,6 +143,9 @@ set(CMD_MAKE make)
 include(ExternalProject)
 
 if(USE_JEMALLOC)
+	if(USE_ASAN)
+		message(WARNING "Jemalloc and ASAN do not play well together")
+	endif()
 	include(jemalloc)
 endif()