diff --git a/src/backend/postmaster/postmaster.c b/src/backend/postmaster/postmaster.c
index 5f30359165..9ff2832c00 100644
--- a/src/backend/postmaster/postmaster.c
+++ b/src/backend/postmaster/postmaster.c
@@ -1134,7 +1134,7 @@ PostmasterMain(int argc, char *argv[])
 		rawstring = pstrdup(ListenAddresses);
 
 		/* Parse string into list of hostnames */
-		if (!SplitIdentifierString(rawstring, ',', &elemlist))
+		if (!SplitGUCList(rawstring, ',', &elemlist))
 		{
 			/* syntax error in list */
 			ereport(FATAL,