diff --git a/test/test-functions b/test/test-functions
index 459baea34a6..fdab3b9d410 100644
--- a/test/test-functions
+++ b/test/test-functions
@@ -1309,7 +1309,7 @@ install_config_files() {
     : >"$initdir/etc/resolv.conf"
 
     # set the hostname
-    echo systemd-testsuite >"$initdir/etc/hostname"
+    echo 'H' >"$initdir/etc/hostname"
 
     # let's set up just one image with the traditional verbose output
     if [ "${IMAGE_NAME:?}" != "basic" ]; then
diff --git a/test/units/testsuite-48.sh b/test/units/testsuite-48.sh
index 0ce8e9c067b..147f6fa54fa 100755
--- a/test/units/testsuite-48.sh
+++ b/test/units/testsuite-48.sh
@@ -16,11 +16,11 @@ systemctl start testservice-48.target
 # granularity of one second, which means the manager's unit cache won't be
 # marked as dirty when writing the unit file, unless we wait at least a full
 # second after the previous daemon-reload.
-# May 07 23:12:20 systemd-testsuite testsuite-48.sh[30]: + cat
-# May 07 23:12:20 systemd-testsuite testsuite-48.sh[30]: + ls -l --full-time /etc/systemd/system/testservice-48.service
-# May 07 23:12:20 systemd-testsuite testsuite-48.sh[52]: -rw-r--r-- 1 root root 50 2020-05-07 23:12:20.000000000 +0100 /
-# May 07 23:12:20 systemd-testsuite testsuite-48.sh[30]: + stat -f --format=%t /etc/systemd/system/testservice-48.servic
-# May 07 23:12:20 systemd-testsuite testsuite-48.sh[53]: ef53
+# May 07 23:12:20 H testsuite-48.sh[30]: + cat
+# May 07 23:12:20 H testsuite-48.sh[30]: + ls -l --full-time /etc/systemd/system/testservice-48.service
+# May 07 23:12:20 H testsuite-48.sh[52]: -rw-r--r-- 1 root root 50 2020-05-07 23:12:20.000000000 +0100 /
+# May 07 23:12:20 H testsuite-48.sh[30]: + stat -f --format=%t /etc/systemd/system/testservice-48.servic
+# May 07 23:12:20 H testsuite-48.sh[53]: ef53
 sleep 3.1
 
 cat >/run/systemd/system/testservice-48.service <<EOF