diff --git a/nagios-plugins-systemd.spec b/nagios-plugins-systemd.spec
index b646229..a2e17f9 100644
--- a/nagios-plugins-systemd.spec
+++ b/nagios-plugins-systemd.spec
@@ -10,6 +10,9 @@ Source:         https://github.com/Josef-Friedrich/check_systemd/archive/v%{vers
 
 BuildRequires:  python3-devel
 
+# Require the package that owns the plugins dir, as we install the plugin there.
+Requires: %{nagiospluginsdir}
+
 # The package does not contain any architecture-dependent things, but installs
 # into an arch-dependend directory. Thus, it cannot be noarch, but it does not
 # provide any debuginfo.