diff --git a/pam_dbus.spec b/pam_dbus.spec
index 3d77c38..14c4c58 100644
--- a/pam_dbus.spec
+++ b/pam_dbus.spec
@@ -48,6 +48,9 @@ Requires:       python3
 Requires:       python3-base
 Requires:       python3-notify2
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
+%if ! %{defined _pam_moduledir}
+%define _pam_moduledir /%{_lib}/security
+%endif
 
 %description
 This PAM module will, when being used to authenticate a