--- a/hgext/phabricator.py	Sat Sep 15 01:13:37 2018 -0400
+++ b/hgext/phabricator.py	Sat Sep 15 01:16:31 2018 -0400
@@ -62,6 +62,7 @@
     scmutil,
     smartset,
     tags,
+    templateutil,
     url as urlmod,
     util,
 )
@@ -1006,7 +1007,7 @@
     ctx = context.resource(mapping, b'ctx')
     m = _differentialrevisiondescre.search(ctx.description())
     if m:
-        return {
+        return templateutil.hybriddict({
             b'url': m.group(b'url'),
             b'id': b"D{}".format(m.group(b'id')),
-        }
+        })

--- a/tests/test-phabricator.t	Sat Sep 15 01:13:37 2018 -0400
+++ b/tests/test-phabricator.t	Sat Sep 15 01:16:31 2018 -0400
@@ -70,10 +70,8 @@
   1 {"id": "D4597", "url": "https://phab.mercurial-scm.org/D4597"}
   0 {"id": "D4596", "url": "https://phab.mercurial-scm.org/D4596"}
 
-BUG: this should work, but doesn't.
-  $ hg log -T'{rev} {phabreview.url}\n'
-  hg: parse error: {* 'D4597'*} is not a dictionary (glob)
-  (keyword 'phabreview' does not support member operation)
-  [255]
+  $ hg log -T'{rev} {phabreview.url} {phabreview.id}\n'
+  1 https://phab.mercurial-scm.org/D4597 D4597
+  0 https://phab.mercurial-scm.org/D4596 D4596
 
   $ cd ..