diff --git a/src/xz/message.c b/src/xz/message.c
index 249e934f..2eecda94 100644
--- a/src/xz/message.c
+++ b/src/xz/message.c
@@ -1128,10 +1128,6 @@ message_help(bool long_help)
 "                      `auto' (default), `xz', `lzma', and `raw'\n"
 "  -C, --check=CHECK   integrity check type: `none' (use with caution),\n"
 "                      `crc32', `crc64' (default), or `sha256'"));
-		puts(_(
-"      --block-size=SIZE\n"
-"                      when compressing to the .xz format, start a new block\n"
-"                      after every SIZE bytes of input; 0=disabled (default)"));
 	}
 
 	puts(_(
@@ -1143,6 +1139,10 @@ message_help(bool long_help)
 "                      does not affect decompressor memory requirements"));
 
 	if (long_help) {
+		puts(_(
+"      --block-size=SIZE\n"
+"                      when compressing to the .xz format, start a new block\n"
+"                      after every SIZE bytes of input; 0=disabled (default)"));
 		puts(_( // xgettext:no-c-format
 "      --memlimit-compress=LIMIT\n"
 "      --memlimit-decompress=LIMIT\n"