Dial with bogus commits and commits to the llvm-project root directory.
diff --git a/zorg/buildbot/changes/llvmgitpoller.py b/zorg/buildbot/changes/llvmgitpoller.py
index 012d0ef..02e4d87 100644
--- a/zorg/buildbot/changes/llvmgitpoller.py
+++ b/zorg/buildbot/changes/llvmgitpoller.py
@@ -176,7 +176,7 @@
                        when_timestamp=timestamp,
                        branch=bytes2unicode(self._removeHeads(branch)),
                        category=self.category, ## TODO: Figure out if we could support tags here
-                       project=",".join(projects),
+                       project=",".join(projects) if projects else "llvm-project",
                        # Always promote an external github url of the LLVM project with the changes.
                        repository=self._repourl,
                        src='git', # Must be one of the buildbot.process.users.srcs