diff --git a/google-api-client/src/main/java/com/google/api/client/googleapis/testing/auth/oauth2/MockTokenServerTransport.java b/google-api-client/src/main/java/com/google/api/client/googleapis/testing/auth/oauth2/MockTokenServerTransport.java
index 0dc4710cd..af431a12d 100644
--- a/google-api-client/src/main/java/com/google/api/client/googleapis/testing/auth/oauth2/MockTokenServerTransport.java
+++ b/google-api-client/src/main/java/com/google/api/client/googleapis/testing/auth/oauth2/MockTokenServerTransport.java
@@ -116,7 +116,7 @@ public LowLevelHttpResponse execute() throws IOException {
           GenericJson refreshContents = new GenericJson();
           refreshContents.setFactory(JSON_FACTORY);
           refreshContents.put("access_token", accessToken);
-          refreshContents.put("expires_in", 3600000);
+          refreshContents.put("expires_in", 3600);
           refreshContents.put("token_type", "Bearer");
           String refreshText  = refreshContents.toPrettyString();