diff --git a/src/main/java/hudson/plugins/jira/JiraSite.java b/src/main/java/hudson/plugins/jira/JiraSite.java
index 3d98d00ad..8ba285580 100644
--- a/src/main/java/hudson/plugins/jira/JiraSite.java
+++ b/src/main/java/hudson/plugins/jira/JiraSite.java
@@ -642,7 +642,14 @@ public static class ExtendedAsynchronousJiraRestClientFactory implements JiraRes
 
         public ExtendedJiraRestClient create(final URI serverUri, final AuthenticationHandler authenticationHandler, HttpClientOptions options) {
             final DisposableHttpClient httpClient = createClient(serverUri, authenticationHandler, options);
-            return new ExtendedAsynchronousJiraRestClient( serverUri, httpClient);
+            Thread t = Thread.currentThread();
+            ClassLoader orig = t.getContextClassLoader();
+            t.setContextClassLoader(JiraSite.class.getClassLoader());
+            try {
+                return new ExtendedAsynchronousJiraRestClient(serverUri, httpClient);
+            } finally {
+                t.setContextClassLoader(orig);
+            }
         }
 
         @Override