1 files changed, 1 insertions, 1 deletions
diff --git a/toolkit/mozapps/extensions/test/xpcshell/test_signed_langpack.js b/toolkit/mozapps/extensions/test/xpcshell/test_signed_langpack.js
index 8ad83b2ecb..421d40f4a0 100644
--- a/toolkit/mozapps/extensions/test/xpcshell/test_signed_langpack.js
+++ b/toolkit/mozapps/extensions/test/xpcshell/test_signed_langpack.js
@@ -32,7 +32,7 @@ async function installShouldFail(file) {
 // Test that the preference controlling langpack signing works properly
 // (and that the general preference for addon signing does not affect
 // language packs).
-add_task(async function () {
+add_task(useAMOStageCert(), async function () {
   AddonTestUtils.useRealCertChecks = true;
 
   createAppInfo("xpcshell@tests.mozilla.org", "XPCShell", "1", "1.9");