diff --git a/src/bin/pg_dump/pg_dump.c b/src/bin/pg_dump/pg_dump.c
index c12db9943ff..dc6b366e88f 100644
--- a/src/bin/pg_dump/pg_dump.c
+++ b/src/bin/pg_dump/pg_dump.c
@@ -401,7 +401,7 @@ main(int argc, char **argv)
 		}
 	}
 
-	while ((c = getopt_long(argc, argv, "abcCd:E:f:F:h:ij:K:n:N:oOp:RsS:t:T:U:vwWxZ:",
+	while ((c = getopt_long(argc, argv, "abcCd:E:f:F:h:ij:n:N:oOp:RsS:t:T:U:vwWxZ:",
 							long_options, &optindex)) != -1)
 	{
 		switch (c)