diff --git a/breakout/makefile b/breakout/makefile
index c438a9a..f9e9cab 100644
--- a/breakout/makefile
+++ b/breakout/makefile
@@ -1,5 +1,5 @@
 breakout_s = breakout.c
 breakout_c = breakout
 all: breakout.c
-	clang $(breakout_s) -l SDL2 -lGLU -lGL -o $(breakout_c)
+	clang $(breakout_s) -l SDL2 -lGLU -lGL -lm -o $(breakout_c)
 	./breakout