diff --git a/debian/README.source b/debian/README.source
new file mode 100644
index 0000000..1ccee93
--- /dev/null
+++ b/debian/README.source
@@ -0,0 +1,3 @@
+We're not running the complete upstream testsuite (neither at build nor in the
+autopkgtest) since it seems it needs a working systemd at run to work properly.
+That's kinda ugly, so we're sadly skipping those tests.