diff --git a/hgext/mq.py b/hgext/mq.py
--- a/hgext/mq.py
+++ b/hgext/mq.py
@@ -932,7 +932,7 @@ class queue(object):
             if oldqbase.phase() > tphase and oldqbase.p1().phase() <= tphase:
                 tr = repo.transaction('qfinish')
                 try:
-                    phases.advanceboundary(repo, tphase, qfinished)
+                    phases.advanceboundary(repo, tr, tphase, qfinished)
                     tr.close()
                 finally:
                     tr.release()
diff --git a/mercurial/changegroup.py b/mercurial/changegroup.py
--- a/mercurial/changegroup.py
+++ b/mercurial/changegroup.py
@@ -700,12 +700,12 @@ def addchangegroup(repo, source, srctype
             # We should not use added here but the list of all change in
             # the bundle
             if publishing:
-                phases.advanceboundary(repo, phases.public, srccontent)
+                phases.advanceboundary(repo, tr, phases.public, srccontent)
             else:
                 # Those changesets have been pushed from the outside, their
                 # phases are going to be pushed alongside. Therefor
                 # `targetphase` is ignored.
-                phases.advanceboundary(repo, phases.draft, srccontent)
+                phases.advanceboundary(repo, tr, phases.draft, srccontent)
                 phases.retractboundary(repo, phases.draft, added)
         elif srctype != 'strip':
             # publishing only alter behavior during push
diff --git a/mercurial/commands.py b/mercurial/commands.py
--- a/mercurial/commands.py
+++ b/mercurial/commands.py
@@ -4583,7 +4583,7 @@ def phase(ui, repo, *revs, **opts):
                 raise util.Abort(_('empty revision set'))
             nodes = [repo[r].node() for r in revs]
             olddata = repo._phasecache.getphaserevs(repo)[:]
-            phases.advanceboundary(repo, targetphase, nodes)
+            phases.advanceboundary(repo, tr, targetphase, nodes)
             if opts['force']:
                 phases.retractboundary(repo, targetphase, nodes)
             tr.close()
diff --git a/mercurial/exchange.py b/mercurial/exchange.py
--- a/mercurial/exchange.py
+++ b/mercurial/exchange.py
@@ -577,7 +577,7 @@ def _localphasemove(pushop, nodes, phase
     if pushop.locallocked:
         tr = pushop.repo.transaction('push-phase-sync')
         try:
-            phases.advanceboundary(pushop.repo, phase, nodes)
+            phases.advanceboundary(pushop.repo, tr, phase, nodes)
             tr.close()
         finally:
             tr.release()
@@ -840,12 +840,14 @@ def _pullapplyphases(pullop, remotephase
     # exclude changesets already public locally and update the others
     pheads = [pn for pn in pheads if phase(unfi, rev(pn)) > public]
     if pheads:
-        phases.advanceboundary(pullop.repo, public, pheads)
+        tr = pullop.gettransaction()
+        phases.advanceboundary(pullop.repo, tr, public, pheads)
 
     # exclude changesets already draft locally and update the others
     dheads = [pn for pn in dheads if phase(unfi, rev(pn)) > draft]
     if dheads:
-        phases.advanceboundary(pullop.repo, draft, dheads)
+        tr = pullop.gettransaction()
+        phases.advanceboundary(pullop.repo, tr, draft, dheads)
 
 def _pullobsolete(pullop):
     """utility function to pull obsolete markers from a remote
diff --git a/mercurial/phases.py b/mercurial/phases.py
--- a/mercurial/phases.py
+++ b/mercurial/phases.py
@@ -208,7 +208,7 @@ class phasecache(object):
         self._phaserevs = None
         self.dirty = True
 
-    def advanceboundary(self, repo, targetphase, nodes):
+    def advanceboundary(self, repo, tr, targetphase, nodes):
         # Be careful to preserve shallow-copied values: do not update
         # phaseroots values, replace them.
 
@@ -278,7 +278,7 @@ class phasecache(object):
         # (see branchmap one)
         self._phaserevs = None
 
-def advanceboundary(repo, targetphase, nodes):
+def advanceboundary(repo, tr, targetphase, nodes):
     """Add nodes to a phase changing other nodes phases if necessary.
 
     This function move boundary *forward* this means that all nodes
@@ -286,7 +286,7 @@ def advanceboundary(repo, targetphase, n
 
     Simplify boundary to contains phase roots only."""
     phcache = repo._phasecache.copy()
-    phcache.advanceboundary(repo, targetphase, nodes)
+    phcache.advanceboundary(repo, tr, targetphase, nodes)
     repo._phasecache.replace(phcache)
 
 def retractboundary(repo, targetphase, nodes):
@@ -339,7 +339,7 @@ def pushphase(repo, nhex, oldphasestr, n
         oldphase = abs(int(oldphasestr)) # let's avoid negative index surprise
         if currentphase == oldphase and newphase < oldphase:
             tr = repo.transaction('pushkey-phase')
-            advanceboundary(repo, newphase, [bin(nhex)])
+            advanceboundary(repo, tr, newphase, [bin(nhex)])
             tr.close()
             return 1
         elif currentphase == newphase: