--- aaa/configure.ac	2023-11-20 12:09:33.000000000 +0100
+++ bbb/configure.ac	2023-11-21 14:24:57.505504890 +0100
@@ -1050,10 +1050,10 @@
 	PKG_CHECK_MODULES(systemd, [libsystemd >= 209],
 		[AC_SUBST(systemd_CFLAGS)
 		 AC_SUBST(systemd_LIBS)],
-		[PKG_CHECK_MODULES(systemd_daemon, [libsystemd-daemon])
+		[PKG_CHECK_MODULES(systemd_daemon, [libsystemd])
 		 AC_SUBST(systemd_daemon_CFLAGS)
 		 AC_SUBST(systemd_daemon_LIBS)
-		 PKG_CHECK_MODULES(systemd_journal, [libsystemd-journal])
+		 PKG_CHECK_MODULES(systemd_journal, [libsystemd])
 		 AC_SUBST(systemd_journal_CFLAGS)
 		 AC_SUBST(systemd_journal_LIBS)]
 	)