diff --git a/cts/support/Makefile.am b/cts/support/Makefile.am
index bfce1bd495..17351171d5 100644
--- a/cts/support/Makefile.am
+++ b/cts/support/Makefile.am
@@ -1,28 +1,28 @@
 #
-# Copyright 2021 the Pacemaker project contributors
+# Copyright 2021-2024 the Pacemaker project contributors
 #
 # The version control history for this file may have further details.
 #
 # This source code is licensed under the GNU General Public License version 2
 # or later (GPLv2+) WITHOUT ANY WARRANTY.
 #
 
 include $(top_srcdir)/mk/python.mk
 
 MAINTAINERCLEANFILES    = Makefile.in
 
 # Commands intended to be run only via other commands
 halibdir		= $(CRM_DAEMON_DIR)
 dist_halib_SCRIPTS	= cts-support
 
 ctsdir		=	$(datadir)/$(PACKAGE)/tests/cts
 cts_DATA	=	pacemaker-cts-dummyd@.service
 dist_cts_DATA	=	cts.conf
 if BUILD_UPSTART
 dist_cts_DATA	+=	pacemaker-cts-dummyd.conf
 endif
 cts_SCRIPTS	= fence_dummy		\
 		  LSBDummy		\
 		  pacemaker-cts-dummyd
 
-PYCHECKFILES ?= cts-support pacemaker-cts-dummyd
+PYCHECKFILES ?= cts-support fence_dummy pacemaker-cts-dummyd