diff --git a/git_cl.py b/git_cl.py
index 37d0523fc..b1121560e 100755
--- a/git_cl.py
+++ b/git_cl.py
@@ -2126,7 +2126,8 @@ class _GerritChangelistImpl(_ChangelistCodereviewBase):
     options = options or []
     issue = issue or self.GetIssue()
     assert issue, 'issue required to query Gerrit'
-    return gerrit_util.GetChangeDetail(self._GetGerritHost(), options, issue)
+    return gerrit_util.GetChangeDetail(self._GetGerritHost(), str(issue),
+                                       options)
 
   def CMDLand(self, force, bypass_hooks, verbose):
     if git_common.is_dirty_git_tree('land'):