diff -ur libvirt-8.0.0.orig/src/qemu/meson.build libvirt-8.0.0/src/qemu/meson.build
--- libvirt-8.0.0.orig/src/qemu/meson.build	2022-01-23 12:33:30.542501853 +0100
+++ libvirt-8.0.0/src/qemu/meson.build	2022-01-23 12:34:27.331616939 +0100
@@ -173,7 +173,7 @@
   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-8.0.0.orig/src/remote/meson.build libvirt-8.0.0/src/remote/meson.build
--- libvirt-8.0.0.orig/src/remote/meson.build	2022-01-23 12:33:30.549501867 +0100
+++ libvirt-8.0.0/src/remote/meson.build	2022-01-23 12:33:41.164523379 +0100
@@ -265,11 +265,9 @@
     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