diff --git a/MAC/APL/PIC/RSP_Protocol/src/RSP_Protocol.prot b/MAC/APL/PIC/RSP_Protocol/src/RSP_Protocol.prot
index 70ac6edf0534622443eb744dcdf2a9ec874ac41f..9d64faa3a96721a77e03944087fe87e8170fb307 100644
--- a/MAC/APL/PIC/RSP_Protocol/src/RSP_Protocol.prot
+++ b/MAC/APL/PIC/RSP_Protocol/src/RSP_Protocol.prot
@@ -1403,6 +1403,10 @@ event = {
     type = "RTC::Timestamp";
     userdefined;
   };
+  param = {
+    name = "rspmask";
+    type = "std::bitset<MAX_N_RSPBOARDS>";
+  };
   param = {
     name = "cache";
     type = "uint8";
@@ -1436,6 +1440,10 @@ event = {
     type = "RTC::Timestamp";
     userdefined;
   };
+  param = {
+    name = "rspmask";
+    type = "std::bitset<MAX_N_RSPBOARDS>";
+  };
   param = {
     name = "period";
     type = "uint16";