diff --git a/std-det-writer/include/DetWriterConfig.hpp b/std-det-writer/include/DetWriterConfig.hpp
index c7e335a..96aefe3 100644
--- a/std-det-writer/include/DetWriterConfig.hpp
+++ b/std-det-writer/include/DetWriterConfig.hpp
@@ -17,12 +17,10 @@ struct DetWriterConfig {
 
         return {
                 config_parameters["detector_name"].GetString(),
-                config_parameters["output_folder"].GetString()
         };
     }
 
     const std::string detector_name;
-    const std::string output_folder;
 };
 
 
diff --git a/std-det-writer/include/JFH5Writer.hpp b/std-det-writer/include/JFH5Writer.hpp
index b979285..95e05ee 100644
--- a/std-det-writer/include/JFH5Writer.hpp
+++ b/std-det-writer/include/JFH5Writer.hpp
@@ -13,7 +13,6 @@ extern "C" {
 class JFH5Writer {
 
     const std::string detector_name_;
-    const std::string root_folder_;
 
     static const int64_t NO_RUN_ID = -1;
 
@@ -35,23 +34,23 @@ class JFH5Writer {
     void close_file();
 
 public:
-    explicit JFH5Writer(
-            const std::string detector_name, const std::string root_folder);
+    JFH5Writer(std::string  detector_name);
     ~JFH5Writer();
 
-    void open_run(int64_t run_id,
-                  uint32_t n_images,
-                  uint32_t image_y_size,
-                  uint32_t image_x_size,
-                  uint32_t bits_per_pixel);
+    void open_run(const std::string& output_file,
+                  const int64_t run_id,
+                  const uint32_t n_images,
+                  const uint32_t image_y_size,
+                  const uint32_t image_x_size,
+                  const uint32_t bits_per_pixel);
     void close_run();
 
-    void write_data(int64_t run_id,
-                    uint32_t index,
+    void write_data(const int64_t run_id,
+                    const uint32_t index,
                     const char* data);
 
-    void write_meta(int64_t run_id,
-                    uint32_t index,
+    void write_meta(const int64_t run_id,
+                    const uint32_t index,
                     const ImageMetadata& meta);
 };
 
diff --git a/std-det-writer/src/JFH5Writer.cpp b/std-det-writer/src/JFH5Writer.cpp
index 3e58a1d..2af43ad 100644
--- a/std-det-writer/src/JFH5Writer.cpp
+++ b/std-det-writer/src/JFH5Writer.cpp
@@ -1,5 +1,6 @@
 #include <H5version.h>
 #include <iostream>
+#include <utility>
 
 #include "JFH5Writer.hpp"
 #include "live_writer_config.hpp"
@@ -15,10 +16,8 @@ using namespace std;
 using namespace buffer_config;
 using namespace live_writer_config;
 
-JFH5Writer::JFH5Writer(
-        const std::string detector_name, const std::string root_folder):
-            detector_name_(detector_name),
-            root_folder_(root_folder)
+JFH5Writer::JFH5Writer(std::string detector_name):
+    detector_name_(std::move(detector_name))
 {
 }
 
@@ -42,7 +41,8 @@ hid_t JFH5Writer::get_datatype(const int bits_per_pixel)
     }
 }
 
-void JFH5Writer::open_run(const int64_t run_id,
+void JFH5Writer::open_run(const string& output_file,
+                          const int64_t run_id,
                           const uint32_t n_images,
                           const uint32_t image_y_size,
                           const uint32_t image_x_size,
@@ -50,10 +50,6 @@ void JFH5Writer::open_run(const int64_t run_id,
 {
     close_run();
 
-    const string output_folder = root_folder_ + "/" + OUTPUT_FOLDER_SYMLINK;
-    // TODO: Maybe add leading zeros to filename?
-    const string output_file = output_folder + to_string(run_id) + ".h5";
-
     current_run_id_ = run_id;
     image_y_size_ = image_y_size;
     image_x_size_ = image_x_size;
diff --git a/std-det-writer/src/main.cpp b/std-det-writer/src/main.cpp
index c6a7ee2..2212e7f 100644
--- a/std-det-writer/src/main.cpp
+++ b/std-det-writer/src/main.cpp
@@ -45,7 +45,7 @@ int main (int argc, char *argv[])
     RamBuffer image_buffer(config.detector_name + "_assembler",
             sizeof(ImageMetadata), IMAGE_N_BYTES, 1, RAM_BUFFER_N_SLOTS);
 
-    JFH5Writer writer(config.detector_name, config.output_folder);
+    JFH5Writer writer(config.detector_name);
     WriterStats stats(config.detector_name);
 
     StoreStream meta = {};