diff --git a/src/dexorder/runner.py b/src/dexorder/runner.py
index 726f43d..d1b4685 100644
--- a/src/dexorder/runner.py
+++ b/src/dexorder/runner.py
@@ -231,8 +231,7 @@ class BlockStateRunner(BlockProgressor):
                 try:
                     fork = await self.create_branch(chain)
                 except ValueError:
-                    log.warning(f'Could not build a branch back to root!  {hexstr(latest_block[chain.id].hash)} <-?- {hexstr(self.state.root_branch.head)}')
-                    continue
+                    fatal(f'Could not build a branch back to root!  {hexstr(latest_block[chain.id].hash)} <-?- {hexstr(self.state.root_branch.head)}')
                 # noinspection PyBroadException
                 try:
                     if fork is not None: