diff --git a/tools/updater.hpp b/tools/updater.hpp
index 739d3e9..bcadd31 100644
--- a/tools/updater.hpp
+++ b/tools/updater.hpp
@@ -13,14 +13,15 @@
  * Attempt to update the BMC's firmware using the interface provided.
  *
  * @param[in] updater - update handler object.
+ * @param[in] blob - ipmi blob object.
  * @param[in] imagePath - the path to the image file.
  * @param[in] signaturePath - the path to the signature file.
  * @param[in] layoutType - the image update layout type (static/ubi/other)
  * @param[in] ignoreUpdate - determines whether to ignore the update status
  * @throws ToolException on failures.
  */
-void updaterMain(UpdateHandlerInterface* updater, const std::string& imagePath,
-                 const std::string& signaturePath,
+void updaterMain(UpdateHandlerInterface* updater, ipmiblob::BlobInterface* blob,
+                 const std::string& imagePath, const std::string& signaturePath,
                  const std::string& layoutType, bool ignoreUpdate);
 
 } // namespace host_tool