diff --git a/tests/testthat/test-build-home-index.R b/tests/testthat/test-build-home-index.R
index d452b215f..d9c0a2236 100644
--- a/tests/testthat/test-build-home-index.R
+++ b/tests/testthat/test-build-home-index.R
@@ -156,7 +156,10 @@ test_that("cran_unquote works", {
 
 test_that("allow email in BugReports", {
   # currently desc throws a warning if BugReports is an email
-  pkg <- local_pkgdown_site(desc = list(BugReports = "me@tidyverse.com"))
+  expect_warning(
+    pkg <- local_pkgdown_site(desc = list(BugReports = "me@tidyverse.com")),
+    "must be a http"
+  )
   html <- xml2::read_html(data_home_sidebar(pkg))
   expect_snapshot(xpath_xml(html, ".//li/a"))
 })