diff --git a/std-det-writer/include/broker_format.hpp b/std-det-writer/include/broker_format.hpp
index dd45175..417d299 100644
--- a/std-det-writer/include/broker_format.hpp
+++ b/std-det-writer/include/broker_format.hpp
@@ -7,14 +7,11 @@
 #pragma pack(push)
 #pragma pack(1)
 struct StoreStream {
-    ImageMetadata image_metadata;
-
+    std::string output_file;
     int64_t run_id;
+    uint64_t image_id;
     uint32_t i_image;
     uint32_t n_images;
-    uint32_t image_y_size;
-    uint32_t image_x_size;
-    uint32_t bits_per_pixel;
 };
 #pragma pack(pop)
 #endif //SF_DAQ_BUFFER_BROKER_FORMAT_HPP