diff --git a/Makefile b/Makefile
index ea6a3ca..465efe9 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 CC        = clang
 CXX       = clang++
-CFLAGS    = -Wall -Wextra -Werror -pedantic -g
+CFLAGS    = -Wall -Wextra -Werror -pedantic -g -fsanitize=address,undefined
 
 CCLOX_SRC = cclox_src/*.cc
 CCLOX_OUT = cclox