diff --git a/src/main/java/com/uber/jenkins/phabricator/PhabricatorBuildWrapper.java b/src/main/java/com/uber/jenkins/phabricator/PhabricatorBuildWrapper.java
index 9cb7683d..a60151ac 100644
--- a/src/main/java/com/uber/jenkins/phabricator/PhabricatorBuildWrapper.java
+++ b/src/main/java/com/uber/jenkins/phabricator/PhabricatorBuildWrapper.java
@@ -97,9 +97,9 @@ public Environment setUp(AbstractBuild build,
             return null;
         }
 
-        DifferentialClient diffClient = new DifferentialClient(diffID, conduitClient);
         Differential diff;
         try {
+            DifferentialClient diffClient = new DifferentialClient(diffID, conduitClient);
             diff = new Differential(diffClient.fetchDiff());
             diff.decorate(build, this.getPhabricatorURL(build.getParent()));