diff --git a/source/developers/cla_sign.html b/source/developers/cla_sign.html
index 3099af1dd17..6c7571430b9 100644
--- a/source/developers/cla_sign.html
+++ b/source/developers/cla_sign.html
@@ -464,7 +464,8 @@ description: "The Home Assistant contributor license agreement (CLA) signature p
           "region": $("#region").val(),
           "signing_for": $('input[name="signing_for"]:checked').val(),
           "i_agree": $("#i_agree").val(),
-          "github_user_id": $("#github_user_id").val()
+          "github_user_id": $("#github_user_id").val(),
+          "pull_request": localStorage.getItem("pr"),
         };
         if ($("#company_name").val() != "") {
           payload.company_name = $("#company_name").val();