diff --git a/sf-replay/src/main.cpp b/sf-replay/src/main.cpp
index 47675ef..bfea58e 100644
--- a/sf-replay/src/main.cpp
+++ b/sf-replay/src/main.cpp
@@ -21,9 +21,8 @@ void sf_replay (
         const uint64_t start_pulse_id,
         const uint64_t stop_pulse_id)
 {
-    ReplayModuleFrameBuffer metadata_buffer;
-    auto frame_buffer = make_unique<uint16_t[]>(
-            MODULE_N_PIXELS * REPLAY_READ_BUFFER_SIZE);
+    auto metadata_buffer = new ReplayModuleFrameBuffer();
+    auto frame_buffer = new char[MODULE_N_BYTES * REPLAY_READ_BUFFER_SIZE];
 
     ReplayH5Reader file_reader(device, channel_name, source_id, stop_pulse_id);
 
@@ -65,6 +64,9 @@ void sf_replay (
         cout << " sf_replay:avg_send_us " << avg_send_us;
         cout << endl;
     }
+
+    delete[] frame_buffer;
+    delete metadata_buffer;
 }
 
 int main (int argc, char *argv[]) {