diff --git a/core-buffer/include/buffer_config.hpp b/core-buffer/include/buffer_config.hpp
index 3507fb2..78d0ae7 100644
--- a/core-buffer/include/buffer_config.hpp
+++ b/core-buffer/include/buffer_config.hpp
@@ -6,6 +6,8 @@
 
 namespace core_buffer {
 
+    const std::string BUFFER_BASE_DIR = "/gpfs/photonics/swissfel/buffer/";
+
     const size_t MODULE_X_SIZE = 1024;
     const size_t MODULE_Y_SIZE = 512;
     const size_t MODULE_N_PIXELS = MODULE_X_SIZE * MODULE_Y_SIZE;
diff --git a/sf-buffer/src/sf_replay.cpp b/sf-buffer/src/sf_replay.cpp
index 37cda9e..50ed4ea 100644
--- a/sf-buffer/src/sf_replay.cpp
+++ b/sf-buffer/src/sf_replay.cpp
@@ -77,7 +77,7 @@ void sf_replay (
     base_pulse_id *= core_buffer::FILE_MOD;
 
     size_t current_pulse_id = base_pulse_id;
-    string filename_base = device + "/" + channel_name + "/";
+    string filename_base = core_buffer::BUFFER_BASE_DIR + "/" + device + "/" + channel_name + "/";
 
     for (const auto& filename_suffix:path_suffixes) {