diff --git a/dom/base/test/test_anchor_target_blank_referrer.html b/dom/base/test/test_anchor_target_blank_referrer.html
index b494c2801713..643cfd6c030c 100644
--- a/dom/base/test/test_anchor_target_blank_referrer.html
+++ b/dom/base/test/test_anchor_target_blank_referrer.html
@@ -35,6 +35,9 @@
 
   const testCases = [
     {ACTION: ["generate-anchor-target-blank-policy-test"],
+      PREFS: [
+        ["dom.security.https_first", false], // need to test http and https
+      ],
       TESTS: [
         // Referrer policy is set in meta
         {NAME: 'origin-in-meta-rel-noopener',
diff --git a/dom/tests/browser/browser.toml b/dom/tests/browser/browser.toml
index dfb7c2c569c3..1e9f99448889 100644
--- a/dom/tests/browser/browser.toml
+++ b/dom/tests/browser/browser.toml
@@ -44,6 +44,7 @@ tags = "geolocation"
 skip-if = ["os != 'mac'"]
 
 ["browser_bug1238427.js"]
+https_first_disabled = true
 
 ["browser_bug1316330.js"]