diff --git a/src/bin/pg_basebackup/pg_basebackup.c b/src/bin/pg_basebackup/pg_basebackup.c
index 58f780c069..0ebca732a4 100644
--- a/src/bin/pg_basebackup/pg_basebackup.c
+++ b/src/bin/pg_basebackup/pg_basebackup.c
@@ -364,7 +364,7 @@ usage(void)
 	printf(_("  -P, --progress         show progress information\n"));
 	printf(_("  -S, --slot=SLOTNAME    replication slot to use\n"));
 	printf(_("      --no-slot          prevent creation of temporary replication slot\n"));
-	printf(_("  -k, --no-verify-checksums\n"
+	printf(_("      --no-verify-checksums\n"
 			 "                         do not verify checksums\n"));
 	printf(_("  -v, --verbose          output verbose messages\n"));
 	printf(_("  -V, --version          output version information, then exit\n"));
@@ -2159,7 +2159,7 @@ main(int argc, char **argv)
 		{"progress", no_argument, NULL, 'P'},
 		{"waldir", required_argument, NULL, 1},
 		{"no-slot", no_argument, NULL, 2},
-		{"no-verify-checksums", no_argument, NULL, 'k'},
+		{"no-verify-checksums", no_argument, NULL, 3},
 		{NULL, 0, NULL, 0}
 	};
 	int			c;
@@ -2328,7 +2328,7 @@ main(int argc, char **argv)
 			case 'P':
 				showprogress = true;
 				break;
-			case 'k':
+			case 3:
 				verify_checksums = false;
 				break;
 			default:
