diff --git a/taskcluster/ci/legacy/tasks/branches/try/job_flags.yml b/taskcluster/ci/legacy/tasks/branches/try/job_flags.yml
index 9eece07be30c..3ab7c9bfdf8b 100644
--- a/taskcluster/ci/legacy/tasks/branches/try/job_flags.yml
+++ b/taskcluster/ci/legacy/tasks/branches/try/job_flags.yml
@@ -109,6 +109,18 @@ builds:
     types:
       opt:
         task: tasks/builds/opt_macosx64_st-an.yml
+  aries-eng:
+    platforms:
+      - b2g
+    types:
+      opt:
+        task: tasks/builds/b2g_aries_eng.yml
+  nexus-5l-eng:
+    platforms:
+      - b2g
+    types:
+      opt:
+        task: tasks/builds/b2g_nexus_5l_eng.yml
 
 post-build:
   upload-symbols: