diff --git a/Makefile b/Makefile
index 0dc172b..a25cfff 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,8 @@
 all: average
 
+average: average.c cmaybe.h
+	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $@ $<
+
 clean:
 	rm -f average