diff --git a/mozilla/tools/buildbotcustom/process/factory.py b/mozilla/tools/buildbotcustom/process/factory.py
index b8dfc6ab461..8b3a692ac46 100644
--- a/mozilla/tools/buildbotcustom/process/factory.py
+++ b/mozilla/tools/buildbotcustom/process/factory.py
@@ -889,6 +889,11 @@ class SingleSourceFactory(ReleaseFactory):
          description=['delete metadata'],
          haltOnFailure=True
         )
+        self.addStep(ShellCommand,
+         command=['autoconf-2.13'],
+         workdir=repoName,
+         haltOnFailure=True
+        )
         self.addStep(ShellCommand,
          command=['tar', '-cjf', sourceTarball, repoName],
          workdir='.',