diff --git a/Makefile.am b/Makefile.am
index 559e15de..8b762cfc 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -246,8 +246,8 @@ endif
 	echo --- Check the --gen-conf command
 	$(TESTENV) ./snapraid$(EXEEXT) $(CHECKFLAGS) --gen-conf bench/content
 	echo --- Filter
-	$(TESTENV) ./snapraid$(EXEEXT) $(CHECKFLAGS_VERBOSE) -c $(CONF) -d disk1 check
-	$(TESTENV) ./snapraid$(EXEEXT) $(CHECKFLAGS_VERBOSE) -c $(CONF) -f \\*a -f a/ -f /b/a\\* check
+	$(TESTENV) ./snapraid$(EXEEXT) $(CHECKFLAGS_VERBOSE) -c $(CONF) -d disk1 check > output.log
+	$(TESTENV) ./snapraid$(EXEEXT) $(CHECKFLAGS_VERBOSE) -c $(CONF) -f \\*a -f a/ -f /b/a\\* check > output.log
 	echo --- Delete some files and sync
 	rm bench/disk4/a/9*
 	rm bench/disk5/a/9*