diff --git a/rhodecode/model/pull_request.py b/rhodecode/model/pull_request.py
--- a/rhodecode/model/pull_request.py
+++ b/rhodecode/model/pull_request.py
@@ -450,7 +450,7 @@ class PullRequestModel(BaseModel):
         return merge_state
 
     def _comment_and_close_pr(self, pull_request, user, merge_state):
-        pull_request.merge_rev = merge_state.merge_commit_id
+        pull_request.merge_rev = merge_state.merge_ref.commit_id
         pull_request.updated_on = datetime.datetime.now()
 
         ChangesetCommentsModel().create(
@@ -598,7 +598,7 @@ class PullRequestModel(BaseModel):
         version._last_merge_source_rev = pull_request._last_merge_source_rev
         version._last_merge_target_rev = pull_request._last_merge_target_rev
         version._last_merge_status = pull_request._last_merge_status
-        version.last_merge_rev = pull_request.last_merge_rev
+        version.shadow_merge_ref = pull_request.shadow_merge_ref
         version.merge_rev = pull_request.merge_rev
 
         version.revisions = pull_request.revisions
@@ -1010,7 +1010,7 @@ class PullRequestModel(BaseModel):
                 pull_request.source_ref_parts.commit_id
             pull_request._last_merge_target_rev = target_reference.commit_id
             pull_request._last_merge_status = merge_state.failure_reason
-            pull_request.last_merge_rev = merge_state.merge_commit_id
+            pull_request.shadow_merge_ref = merge_state.merge_ref
             Session().add(pull_request)
             Session().commit()
 
diff --git a/rhodecode/templates/pullrequests/pullrequest_show.html b/rhodecode/templates/pullrequests/pullrequest_show.html
--- a/rhodecode/templates/pullrequests/pullrequest_show.html
+++ b/rhodecode/templates/pullrequests/pullrequest_show.html
@@ -102,7 +102,7 @@
            </div>
 
             ## Link to the shadow repository.
-            %if not c.pull_request.is_closed() and c.pull_request.last_merge_rev:
+            %if not c.pull_request.is_closed() and c.pull_request.shadow_merge_ref:
                 <div class="field">
                     <div class="label-summary">
                         <label>Merge:</label>
@@ -110,9 +110,9 @@
                     <div class="input">
                         <div class="pr-mergeinfo">
                             %if h.is_hg(c.pull_request.target_repo):
-                                <input type="text"  value="hg clone -u pr-merge ${c.shadow_clone_url} pull-request-${c.pull_request.pull_request_id}" readonly="readonly">
+                                <input type="text"  value="hg clone -u ${c.pull_request.shadow_merge_ref.name} ${c.shadow_clone_url} pull-request-${c.pull_request.pull_request_id}" readonly="readonly">
                             %elif h.is_git(c.pull_request.target_repo):
-                                <input type="text"  value="git clone --branch pr-merge ${c.shadow_clone_url} pull-request-${c.pull_request.pull_request_id}" readonly="readonly">
+                                <input type="text"  value="git clone --branch ${c.pull_request.shadow_merge_ref.name} ${c.shadow_clone_url} pull-request-${c.pull_request.pull_request_id}" readonly="readonly">
                             %endif
                         </div>
                     </div>