diff --git a/receiver/HLSSimulatedDevice.cpp b/receiver/HLSSimulatedDevice.cpp
index bc21967a..92c13e58 100644
--- a/receiver/HLSSimulatedDevice.cpp
+++ b/receiver/HLSSimulatedDevice.cpp
@@ -232,13 +232,14 @@ void HLSSimulatedDevice::HLSMainThread() {
     STREAM_512 converted_9;
     STREAM_512 converted_10;
     STREAM_512 converted_11;
+    STREAM_512 converted_12;
 
     hls::stream<axis_addr> addr0;
     hls::stream<axis_addr> addr1;
     hls::stream<axis_addr> addr2;
     hls::stream<axis_addr> addr3;
 
-    hls::stream<axis_completion> compl0, compl1, compl2, compl3, compl4, compl5, compl6;
+    hls::stream<axis_completion> compl0, compl1, compl2, compl3, compl4, compl5, compl6, compl7;
 
     hls::stream<ap_uint<16>> hbm_handles;
     hls::stream<ap_uint<512>> adu_histo_result;
@@ -362,19 +363,22 @@ void HLSSimulatedDevice::HLSMainThread() {
 
     hls_cores.emplace_back([&] { axis_128_to_512(integration_result_0, integration_result_1);});
 
+    // 8. Frame summation
+    hls_cores.emplace_back([&] { frame_summation(converted_8, converted_9, compl6, compl7);});
+
     // 9. Extend multipixels
-    hls_cores.emplace_back([&] { add_multipixel(converted_8, converted_9);});
+    hls_cores.emplace_back([&] { add_multipixel(converted_9, converted_10);});
 
     // 10. Apply bitshuffle
-    hls_cores.emplace_back([&] { bitshuffle(converted_9, converted_10);});
+    hls_cores.emplace_back([&] { bitshuffle(converted_10, converted_11);});
 
     // Timer procedure - count how many times write_data is not accepting input (to help track down latency issues)
-    hls_cores.emplace_back([&] { timer_host(converted_10, converted_11, counter_host); });
+    hls_cores.emplace_back([&] { timer_host(converted_11, converted_12, counter_host); });
 
     // 11. Prepare data to write to host memory
     hls_cores.emplace_back([&] {
-        host_writer(converted_11, adu_histo_result, integration_result_1, spot_finder_result_1,
-                    compl6, datamover_out.GetDataStream(),
+        host_writer(converted_12, adu_histo_result, integration_result_1, spot_finder_result_1,
+                    compl7, datamover_out.GetDataStream(),
                     datamover_out.GetCtrlStream(), work_request_stream, completion_stream,
                     packets_processed, host_writer_idle, err_reg); });