diff --git a/src/server.cc b/src/server.cc
index 263c3a1..9f926e8 100644
--- a/src/server.cc
+++ b/src/server.cc
@@ -73,6 +73,15 @@
             request->pkt());
     }
 
+    Status UplinkPacketOut(
+            ServerContext* context,
+            const openolt::UplinkPacket* request,
+            openolt::Empty* response) override {
+        return UplinkPacketOut_(
+            request->intf_id(),
+            request->pkt());
+    }
+
     Status FlowAdd(
             ServerContext* context,
             const openolt::Flow* request,