1 files changed, 1 insertions, 1 deletions
diff --git a/server/src/com/vaadin/server/communication/ServerRpcHandler.java b/server/src/com/vaadin/server/communication/ServerRpcHandler.java
index 432a9ea893..ff418a95e8 100644
--- a/server/src/com/vaadin/server/communication/ServerRpcHandler.java
+++ b/server/src/com/vaadin/server/communication/ServerRpcHandler.java
@@ -68,7 +68,7 @@ public class ServerRpcHandler implements Serializable {
      * @since 7.2
      * @author Vaadin Ltd
      */
-    public static class RpcRequest {
+    public static class RpcRequest implements Serializable {
 
         private final String csrfToken;
         private final JSONArray invocations;