diff --git a/command/payload_cmds.cpp b/command/payload_cmds.cpp
index fb207ac..8f573a8 100644
--- a/command/payload_cmds.cpp
+++ b/command/payload_cmds.cpp
@@ -6,6 +6,7 @@
 
 #include <ipmid/api.h>
 
+#include <ipmid/api-types.hpp>
 #include <phosphor-logging/log.hpp>
 
 namespace sol
@@ -25,6 +26,13 @@
     auto response =
         reinterpret_cast<ActivatePayloadResponse*>(outPayload.data());
 
+    if (inPayload.size() != sizeof(ActivatePayloadRequest))
+    {
+        response->completionCode = ipmi::ccReqDataLenInvalid;
+        outPayload.resize(sizeof(response->completionCode));
+        return outPayload;
+    }
+
     response->completionCode = IPMI_CC_OK;
 
     // SOL is the payload currently supported for activation.