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-rw-r--r--archival/tar.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/archival/tar.c b/archival/tar.c
index 79c3595ac..ba7cb0f8c 100644
--- a/archival/tar.c
+++ b/archival/tar.c
@@ -851,7 +851,7 @@ int tar_main(int argc, char **argv)
flags = O_RDONLY;
}
- if (tar_filename[0] == '-' && !tar_filename[1]) {
+ if (LONE_DASH(tar_filename)) {
tar_handle->src_fd = fileno(tar_stream);
tar_handle->seek = seek_by_read;
} else {