diff --git a/.mrhlpr.json b/.mrhlpr.json
index 94e8a375e..88a721b7a 100644
--- a/.mrhlpr.json
+++ b/.mrhlpr.json
@@ -1,7 +1,7 @@
 {
     "subject_format": {
         "pass": [
-            "^(([a-z]+\\/[a-z\\-0-9*{}]+),?)+: [A-Za-z\\/\\-0-9*{}\\.,_&:=' ]+( \\(MR \\d+\\)|)$",
+            "^(([a-z]+\\/\\)?\\([a-z\\-0-9*{}]+),?)+: [A-Za-z\\/\\-0-9*{}\\.,_&:=' ]+( \\(MR \\d+\\)|)$",
             "^CI: [a-z-0-9*{}\\(\\)\\.,_ ][A-Za-z\\/\\-0-9*{}\\.,_ ]+( \\(MR \\d+\\)|)$",
             "^mrhlpr.json: [a-z-0-9*{}\\(\\)\\.,_ ][A-Za-z\\/\\-0-9*{}\\.,_ ]+( \\(MR \\d+\\)|)$",
             "^pmaports.cfg: [a-z-0-9*{}\\(\\)\\.,_ ][A-Za-z\\/\\-0-9*{}\\.,_ ]+( \\(MR \\d+\\)|)$"