diff --git a/docs/overview.rst b/docs/overview.rst
index 3910b32ee9..6e3ed359a7 100644
--- a/docs/overview.rst
+++ b/docs/overview.rst
@@ -486,9 +486,11 @@ TMT_TEST_PIDFILE, TMT_TEST_PIDFILE_LOCK
     making any changes to the pid file.
 
 TMT_TEST_PIDFILE_ROOT
-    By default, the test pidfile file is stored in the ``$TMT_WORKDIR_ROOT``
+    By default, the test pidfile file is stored in ``/var/tmp``
     directory. If specified, the directory in this variable would be
-    used instead.
+    used instead. The directory permissions should follow the pattern
+    of temporary directory permissions, e.g. ``chmod 1777``, to
+    allow access to users with all privilege levels.
 
 Plugin Variables
 ----------------
diff --git a/tests/execute/reboot/out-of-session.sh b/tests/execute/reboot/out-of-session.sh
index 9cd24ee771..f1147a1fed 100755
--- a/tests/execute/reboot/out-of-session.sh
+++ b/tests/execute/reboot/out-of-session.sh
@@ -41,7 +41,7 @@ rlJournalStart
             # and use it to issue a `tmt-reboot` from outside the direct process tree of the test.
             set -x
 
-            tmt_reboot_command="export TMT_TEST_PIDFILE=/var/tmp/tmt/tmt-test.pid; export TMT_TEST_PIDFILE_LOCK=/var/tmp/tmt/tmt-test.pid.lock; export TMT_DEBUG=1; tmt-reboot"
+            tmt_reboot_command="export TMT_TEST_PIDFILE=/var/tmp/tmt-test.pid; export TMT_TEST_PIDFILE_LOCK=/var/tmp/tmt-test.pid.lock; export TMT_DEBUG=1; tmt-reboot"
 
             if [ "$method" = "container" ]; then
                 podman_exec="$(sed -nr 's/\s*Run command: (podman exec .*) \/bin\/bash.*cd.*/\1/p' tmt.output)"
diff --git a/tmt/steps/execute/scripts/tmt-reboot b/tmt/steps/execute/scripts/tmt-reboot
index c906ab933f..259dbec0b2 100755
--- a/tmt/steps/execute/scripts/tmt-reboot
+++ b/tmt/steps/execute/scripts/tmt-reboot
@@ -6,7 +6,7 @@
 
 [ -n "$TMT_DEBUG" ] && set -x
 
-TMT_TEST_PIDFILE_LOCK="${TMT_TEST_PIDFILE_LOCK:-/var/tmp/tmt/tmt-test.pid}"
+TMT_TEST_PIDFILE_LOCK="${TMT_TEST_PIDFILE_LOCK:-/var/tmp/tmt-test.pid}"
 
 PATH=/sbin:/usr/sbin:$PATH
 
diff --git a/tmt/steps/execute/scripts/tmt-reboot-core b/tmt/steps/execute/scripts/tmt-reboot-core
index 1d274fa5b4..96ed3b8aba 100755
--- a/tmt/steps/execute/scripts/tmt-reboot-core
+++ b/tmt/steps/execute/scripts/tmt-reboot-core
@@ -2,7 +2,7 @@
 
 [ -n "$TMT_DEBUG" ] && set -x
 
-TMT_TEST_PIDFILE="${TMT_TEST_PIDFILE:-/var/tmp/tmt/tmt-test.pid}"
+TMT_TEST_PIDFILE="${TMT_TEST_PIDFILE:-/var/tmp/tmt-test.pid}"
 
 if [ ! -e "$TMT_TEST_PIDFILE" ]; then
     echo "There is no running test to signal the reboot to!"