diff --git a/ebl/atf_importer/domain/lark-oracc/oracc_atf_translation_line.lark b/ebl/atf_importer/domain/lark-oracc/oracc_atf_translation_line.lark
index 14a8596df..6073880e9 100644
--- a/ebl/atf_importer/domain/lark-oracc/oracc_atf_translation_line.lark
+++ b/ebl/atf_importer/domain/lark-oracc/oracc_atf_translation_line.lark
@@ -2,7 +2,7 @@
 translation_line: "#tr" ["." language_code] ["." translation_extent] ": " markup+
 language_code: /[a-z]{2}/
 translation_extent: "(" [label " "] line_number ")"
-label: /[a-z0-9]+/
+label: /[a-z0-9\.]+/
 line_number: /[0-9]+/
 markup: emphasis_part | language_part | string_part
 language_part: "@" LANGUAGE "{" translation_text "}"