diff --git a/fpga/hls/frame_summation_reorder_compl.cpp b/fpga/hls/frame_summation_reorder_compl.cpp
index d00d19f4..a00f430f 100644
--- a/fpga/hls/frame_summation_reorder_compl.cpp
+++ b/fpga/hls/frame_summation_reorder_compl.cpp
@@ -11,11 +11,6 @@ void frame_summation_reorder_compl(STREAM_512 &data_in,
 #pragma HLS INTERFACE axis register both port=s_axis_completion
 #pragma HLS INTERFACE axis register both port=m_axis_completion
 
-    packet_512_t packet_in;
-    data_in >> packet_in;
-    ap_uint<8> sum = ACT_REG_NSUMMATION(packet_in.data); // 0..255
-    data_out << packet_in;
-
     axis_completion completions[MAX_FPGA_SUMMATION * MAX_MODULES_FPGA];
     ap_uint<MAX_FPGA_SUMMATION> completion_mask[MAX_MODULES_FPGA];
     ap_uint<9> completion_count[MAX_MODULES_FPGA]; // must represent 256
@@ -28,6 +23,11 @@ void frame_summation_reorder_compl(STREAM_512 &data_in,
         curr_frame_number_prefix[i] = 0;
     }
 
+    packet_512_t packet_in;
+    data_in >> packet_in;
+    data_out << packet_in;
+    ap_uint<8> sum = ACT_REG_NSUMMATION(packet_in.data); // 0..255
+
     axis_completion c;
     s_axis_completion >> c;
     while (!c.last) {