diff --git a/tools/selftest.js b/tools/selftest.js
index 9393e5e5e6..151b748b43 100644
--- a/tools/selftest.js
+++ b/tools/selftest.js
@@ -807,7 +807,7 @@ _.extend(Sandbox.prototype, {
       stubCatalog.collections.versions.push(versionRec);
 
       stubCatalog.collections.builds.push({
-        architecture: isopack.buildArchitectures(),
+        buildArchitectures: isopack.buildArchitectures(),
         versionId: versionRec._id,
         _id: utils.randomToken()
       });
diff --git a/tools/tests/autoupdate.js b/tools/tests/autoupdate.js
index d7da44f2d7..4dfb4ba816 100644
--- a/tools/tests/autoupdate.js
+++ b/tools/tests/autoupdate.js
@@ -138,7 +138,7 @@ selftest.define("autoupdate", ['checkout'], function () {
     run.stop();
 
     run = s.run("update");
-    run.read("myapp: updated to Meteor v3.");
+    run.match("myapp: updated to Meteor v3.\n");
     run.match("Your packages are at their latest compatible versions.\n");
     run.expectExit(0);