--- a/hgext/split.py	Tue Jun 19 11:07:40 2018 -0700
+++ b/hgext/split.py	Tue Jun 19 13:49:06 2018 -0700
@@ -170,7 +170,7 @@
         raise error.Abort(_('cannot split an empty revision'))
 
     scmutil.cleanupnodes(repo, {ctx.node(): [c.node() for c in committed]},
-                         operation='split')
+                         operation='split', fixphase=True)
 
     return committed[-1]