diff --git a/parser/tst/Makefile b/parser/tst/Makefile
index 76609d23e..ad0e79183 100644
--- a/parser/tst/Makefile
+++ b/parser/tst/Makefile
@@ -10,7 +10,7 @@ ifeq ($(VERBOSE),1)
   PROVE_ARG+=-v
   PYTEST_ARG = -v
 else
-  undefine VERBOSE
+  VERBOSE=
 endif
 
 all: tests
diff --git a/tests/regression/apparmor/pivot_root.sh b/tests/regression/apparmor/pivot_root.sh
index b46839e8b..35004fc9b 100755
--- a/tests/regression/apparmor/pivot_root.sh
+++ b/tests/regression/apparmor/pivot_root.sh
@@ -53,7 +53,7 @@ if [ -x "${FINDMNT}" ] && ${FINDMNT} -no PROPAGATION / > /dev/null 2>&1 ; then
 	if [ "$(${FINDMNT} -no PROPAGATION /)" == "shared" ] ; then
 		root_was_shared="yes"
 	fi
-elif [ "$(ps -hp1  -ocomm)" = "systemd" ] ; then
+elif [ "$(ps hp1  -ocomm)" = "systemd" ] ; then
 	# no findmnt or findmnt doesn't know the PROPAGATION column,
 	# but init is systemd so assume rootfs is shared
 	root_was_shared="yes"