diff --git a/test/flash_start_unittest.cpp b/test/flash_start_unittest.cpp
index b287561..81c2d45 100644
--- a/test/flash_start_unittest.cpp
+++ b/test/flash_start_unittest.cpp
@@ -13,7 +13,7 @@
 
     std::string name = std::tmpnam(nullptr);
 
-    FlashUpdate updater(name);
+    FlashUpdate updater(name, "");
     updater.start(THIRTYTWO_MIB);
 
     auto file = std::fopen(name.c_str(), "r");