diff --git a/installer/data/mysql/en/mandatory/sample_notices.yml b/installer/data/mysql/en/mandatory/sample_notices.yml
index 5ea318e772..de04107c9d 100644
--- a/installer/data/mysql/en/mandatory/sample_notices.yml
+++ b/installer/data/mysql/en/mandatory/sample_notices.yml
@@ -1139,7 +1139,7 @@ tables:
           code: OPAC_REG_VERIFY
           branchcode: ""
           name: "OPAC self-registration verification email"
-          is_html: 1
+          is_html: 0
           title: "Verify your account"
           message_transport_type: email
           lang: default
@@ -1267,7 +1267,7 @@ tables:
           code: 2FA_OTP_TOKEN
           branchcode: ""
           name: "two-authentication step token"
-          is_html: 1
+          is_html: 0
           title: "Two-authentication token"
           message_transport_type: email
           lang: default