diff --git a/archival/libunarchive/get_header_tar.c b/archival/libunarchive/get_header_tar.c
index e7a3aeeb3..5310f3f7c 100644
--- a/archival/libunarchive/get_header_tar.c
+++ b/archival/libunarchive/get_header_tar.c
@@ -285,7 +285,7 @@ char FAST_FUNC get_header_tar(archive_handle_t *archive_handle)
 		file_header->mode |= S_IFBLK;
 		goto size0;
 	case '5':
- set_dir:
+ USE_FEATURE_TAR_OLDGNU_COMPATIBILITY(set_dir:)
 		file_header->mode |= S_IFDIR;
 		goto size0;
 	case '6':