diff --git a/kscreenlocker/kscreenlocker.spec b/kscreenlocker/kscreenlocker.spec
index 17a2cf4..faff6e4 100644
--- a/kscreenlocker/kscreenlocker.spec
+++ b/kscreenlocker/kscreenlocker.spec
@@ -8,6 +8,7 @@
 %define qt6_version 6.9.0
 
 %global _smp_ncpus_max 4
+%{!?_pam_vendordir:%global _pam_vendordir %{_sysconfdir}/pam.d}
 
 # Full Plasma 6 version (e.g. 6.0.0)
 %{!?_plasma6_bugfix: %define _plasma6_bugfix %{version}}