diff --git a/Makefile b/Makefile
index c4b25317b5..fb5f3742e1 100644
--- a/Makefile
+++ b/Makefile
@@ -211,8 +211,8 @@ clean:
 	$(MAKE) -C tests       clean
 	$(MAKE) -C vhook       clean
 	$(MAKE) -C doc         clean
-	rm -f *.o *.d *~ .libs gmon.out TAGS \
-	   $(ALLPROGS) $(ALLPROGS_G) output_example$(EXESUF) qt-faststart$(EXESUF)
+	rm -f *.o *.d *~ .libs gmon.out TAGS $(ALLPROGS) $(ALLPROGS_G) \
+	   output_example$(EXESUF) qt-faststart$(EXESUF) cws2fws$(EXESUF)
 
 # Note well: config.log is NOT removed.
 distclean: clean