diff --git a/core-buffer/include/jungfrau.hpp b/core-buffer/include/jungfrau.hpp
index a68508b..a3d9ce7 100644
--- a/core-buffer/include/jungfrau.hpp
+++ b/core-buffer/include/jungfrau.hpp
@@ -45,5 +45,13 @@ struct ModuleFrame {
 };
 #pragma pack(pop)
 
+struct ModuleFrameBuffer {
+    uint64_t pulse_id[JUNGFRAU_N_MODULES];
+    uint64_t frame_index[JUNGFRAU_N_MODULES];
+    uint64_t daq_rec[JUNGFRAU_N_MODULES];
+    uint64_t n_received_packets[JUNGFRAU_N_MODULES];
+    uint64_t module_id[JUNGFRAU_N_MODULES];
+};
+
 
 #endif
\ No newline at end of file
diff --git a/core-buffer/src/FastQueue.cpp b/core-buffer/src/FastQueue.cpp
index 284efec..da70f25 100644
--- a/core-buffer/src/FastQueue.cpp
+++ b/core-buffer/src/FastQueue.cpp
@@ -105,4 +105,4 @@ void FastQueue<T>::release()
 
 template class FastQueue<DetectorFrame>;
 template class FastQueue<ModuleFrame>;
-template class FastQueue<ModuleFrame[JUNGFRAU_N_MODULES]>;
\ No newline at end of file
+template class FastQueue<ModuleFrameBuffer>;
\ No newline at end of file