diff --git a/Makefile b/Makefile
index 1722901..96f5a72 100644
--- a/Makefile
+++ b/Makefile
@@ -2,3 +2,6 @@ CHICKEN_C = csc
 
 sexc: sexc.scm
 	$(CHICKEN_C) $< -o $@
+
+clean:
+	rm -f $(OBJ) sexc