diff --git a/Makefile b/Makefile
index 71b0681..70ff761 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,6 @@
 OBJ     = $(patsubst src/%.c,%.o,$(wildcard src/*.c))
 HEADERS = $(wildcard src/*.h)
-CC      = clang
-FLAGS   = -std=c17 -O3 -pthread
+FLAGS   := $(CFLAGS) -std=c17 -O3 -pthread
 LIB     = -lncurses -lnotcurses -lnotcurses-core
 
 %.o: src/%.c $(HEADERS)