diff --git a/src/bin/initdb/initdb.c b/src/bin/initdb/initdb.c
index 0c8c8bb94d..e93e602e12 100644
--- a/src/bin/initdb/initdb.c
+++ b/src/bin/initdb/initdb.c
@@ -3147,7 +3147,7 @@ main(int argc, char *argv[])
 
 	/* process command-line options */
 
-	while ((c = getopt_long(argc, argv, "A:dD:E:gkL:nNWsST:U:X:", long_options, &option_index)) != -1)
+	while ((c = getopt_long(argc, argv, "A:dD:E:gkL:nNsST:U:WX:", long_options, &option_index)) != -1)
 	{
 		switch (c)
 		{