diff --git a/openolt.proto b/openolt.proto
index f94b11f..4577e42 100644
--- a/openolt.proto
+++ b/openolt.proto
@@ -50,7 +50,7 @@
         OnuDiscIndication onu_disc_ind = 4;
         OnuIndication onu_ind = 5;
         OmciIndication omci_ind = 6;
-        DataIndication data_ind = 7;
+        PacketIndication data_ind = 7;
     }
 }
 
@@ -87,11 +87,11 @@
     bytes pkt = 3;
 }
 
-message DataIndication {
+message PacketIndication {
     fixed32 intf_id = 1;
     fixed32 gemport_id = 2;
     fixed32 flow_id = 3;
-    bytes data = 4;
+    bytes pkt = 4;
 }
 
 message Onu {