diff --git a/test/polar_web/controllers/error_html_test.exs b/test/polar_web/controllers/error_html_test.exs
index 82ff4d4..fc9cf51 100644
--- a/test/polar_web/controllers/error_html_test.exs
+++ b/test/polar_web/controllers/error_html_test.exs
@@ -5,7 +5,7 @@ defmodule PolarWeb.ErrorHTMLTest do
   import Phoenix.Template
 
   test "renders 404.html" do
-    assert render_to_string(PolarWeb.ErrorHTML, "404", "html", []) == "Not Found"
+    assert render_to_string(PolarWeb.ErrorHTML, "404", "html", []) =~ "Not Found"
   end
 
   test "renders 500.html" do