diff --git a/firmware_handler.cpp b/firmware_handler.cpp
index 9bcdd39..b828002 100644
--- a/firmware_handler.cpp
+++ b/firmware_handler.cpp
@@ -10,6 +10,9 @@
 {
 
 const std::string FirmwareBlobHandler::hashBlobID = "/flash/hash";
+const std::string FirmwareBlobHandler::activeImageBlobID =
+    "/flash/active/image";
+const std::string FirmwareBlobHandler::activeHashBlobID = "/flash/active/hash";
 
 std::unique_ptr<GenericBlobInterface>
     FirmwareBlobHandler::CreateFirmwareBlobHandler(
diff --git a/firmware_handler.hpp b/firmware_handler.hpp
index f5239b4..916a5ce 100644
--- a/firmware_handler.hpp
+++ b/firmware_handler.hpp
@@ -68,6 +68,8 @@
     bool expire(uint16_t session) override;
 
     static const std::string hashBlobID;
+    static const std::string activeImageBlobID;
+    static const std::string activeHashBlobID;
 
   private:
     std::vector<std::string> blobIDs;