diff --git a/src/backend/postmaster/postmaster.c b/src/backend/postmaster/postmaster.c
index 15c2320..a77210b 100644
--- a/src/backend/postmaster/postmaster.c
+++ b/src/backend/postmaster/postmaster.c
@@ -2280,6 +2280,7 @@ SIGHUP_handler(SIGNAL_ARGS)
 				(errmsg("received SIGHUP, reloading configuration files")));
 		ProcessConfigFile(PGC_SIGHUP);
 		SignalChildren(SIGHUP);
+		SignalUnconnectedWorkers(SIGHUP);
 		if (StartupPID != 0)
 			signal_child(StartupPID, SIGHUP);
 		if (BgWriterPID != 0)