diff --git a/Makefile.in b/Makefile.in
index 732d4b9..5a4aeee 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -109,10 +109,14 @@ install-docs :
 %.s : %.c
 	$(CC) $(CFLAGS) $(CPPFLAGS) -S $<
 
-check : chronyd chronyc
+quickcheck : chronyd chronyc
 	$(MAKE) -C test/unit check
 	cd test/simulation && ./run
 
+check : chronyd chronyc
+	$(MAKE) -C test/unit check
+	cd test/simulation && ./run -i 20 -m 2
+
 Makefile : Makefile.in configure
 	@echo
 	@echo Makefile needs to be regenerated, run ./configure