diff --git a/src/Makefile b/src/Makefile
index 2741bcb..b5c2e7c 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -1,9 +1,9 @@
 #! /bin/make
 # :vim: set noexpandtab:
 
-CFLAGS = -lm -lSDL2_image `sdl2-config --cflags --libs` -lsodium
+CFLAGS = -lm -lSDL2_image `sdl2-config --cflags --libs` -lsodium -s
 
-columns: main.c
+columns: main.c column.c research.c render.c backdrop.c sdl.c events.c
 	$(CC) main.c column.c research.c render.c backdrop.c sdl.c events.c -o columns $(CFLAGS)
 
 clean: