diff -ur libvirt-9.0.0.orig/src/qemu/meson.build libvirt-9.0.0/src/qemu/meson.build
--- libvirt-9.0.0.orig/src/qemu/meson.build	2023-02-08 18:30:15.370997640 +0100
+++ libvirt-9.0.0/src/qemu/meson.build	2023-02-08 18:30:29.353994809 +0100
@@ -194,7 +194,7 @@
   if conf.has('WITH_SYSCTL')
     install_data(
       'postcopy-migration.sysctl',
-      install_dir: prefix / 'lib' / 'sysctl.d',
+      install_dir: sysconfdir / 'sysctl.d',
       rename: [ '60-qemu-postcopy-migration.conf' ],
     )
   endif
diff -ur libvirt-9.0.0.orig/src/remote/meson.build libvirt-9.0.0/src/remote/meson.build
--- libvirt-9.0.0.orig/src/remote/meson.build	2023-02-08 18:30:15.387997637 +0100
+++ libvirt-9.0.0/src/remote/meson.build	2023-02-08 18:30:29.353994809 +0100
@@ -258,11 +258,9 @@
     endforeach
 
     if conf.has('WITH_SYSCTL')
-      # Use $(prefix)/lib rather than $(libdir), since man sysctl.d insists on
-      # /usr/lib/sysctl.d/ even when libdir is /usr/lib64
       install_data(
         'libvirtd.sysctl',
-        install_dir: prefix / 'lib' / 'sysctl.d',
+        install_dir: sysconfdir / 'sysctl.d',
         rename: [ '60-libvirtd.conf' ],
       )
     endif