diff --git a/contrib/buildbot/build.py b/contrib/buildbot/build.py
--- a/contrib/buildbot/build.py
+++ b/contrib/buildbot/build.py
@@ -40,6 +40,9 @@
         self.builds[build_id].status = status
 
     def status(self):
+        # If there are no builds, the build target is by default a success
+        if len(self.builds.values()) == 0:
+            return BuildStatus.Success
         # If any build is a failure, the build target is a failure
         if any([build.status == BuildStatus.Failure for build in self.builds.values()]):
             return BuildStatus.Failure
diff --git a/contrib/buildbot/test/test_build.py b/contrib/buildbot/test/test_build.py
--- a/contrib/buildbot/test/test_build.py
+++ b/contrib/buildbot/test/test_build.py
@@ -22,6 +22,10 @@
         # Create a build target
         build_target = BuildTarget(build_target_phid)
 
+        # With no builds, the target has default status of success
+        self.assertEqual(build_target.status(), BuildStatus.Success)
+        self.assertEqual(build_target.is_finished(), True)
+
         # Queue a few builds
         for i in range(10):
             name = "build-{}".format(i)