diff --git a/test/TEST-55-OOMD/meson.build b/test/TEST-55-OOMD/meson.build
new file mode 100644
index 0000000000..86a0d8f957
--- /dev/null
+++ b/test/TEST-55-OOMD/meson.build
@@ -0,0 +1,7 @@
+# SPDX-License-Identifier: LGPL-2.1-or-later
+
+test_params += {
+        'mkosi_args' : test_params['mkosi_args'] + [
+                '--credential=@0@'.format(meson.current_source_dir() / 'systemd.unit-dropin.init.scope')
+        ]
+}
diff --git a/test/TEST-55-OOMD/systemd.unit-dropin.init.scope b/test/TEST-55-OOMD/systemd.unit-dropin.init.scope
new file mode 100644
index 0000000000..31b7f90957
--- /dev/null
+++ b/test/TEST-55-OOMD/systemd.unit-dropin.init.scope
@@ -0,0 +1,5 @@
+# SPDX-License-Identifier: LGPL-2.1-or-later
+
+[Scope]
+MemoryHigh=infinity
+StartupMemoryHigh=10G