diff --git a/makefile b/makefile
index f5eb4ed..bc5f480 100644
--- a/makefile
+++ b/makefile
@@ -1,5 +1,5 @@
 CC = gcc
-CFLAGS = -Wall -Wextra -std=c99 -D_POSIX_C_SOURCE=200809L -I. -Ilib 
+CFLAGS = -Wall -Wextra -std=c99 -D_POSIX_C_SOURCE=200809L -I. -Ilib  -fsanitize=thread
 LDFLAGS = -ljack -lm -lncurses -lpthread
 
 all: jack-looper test_engine test_tui test_gui test_cli test_stress test_wav_io