diff --git a/bsp_q7s/core/CoreController.cpp b/bsp_q7s/core/CoreController.cpp
index 426f8989..b3c62ead 100644
--- a/bsp_q7s/core/CoreController.cpp
+++ b/bsp_q7s/core/CoreController.cpp
@@ -481,7 +481,7 @@ ReturnValue_t CoreController::executeAction(ActionId_t actionId, MessageQueueId_
       return returnvalue::OK;
     }
     case (UPDATE_LEAP_SECONDS): {
-      if (size != 2) {
+      if (size != sizeof(uint16_t)) {
         return HasActionsIF::INVALID_PARAMETERS;
       }
       ReturnValue_t result = actionUpdateLeapSeconds(data);