diff --git a/duneopdet/OpticalDetector/Deconvolution/Deconvolution.fcl b/duneopdet/OpticalDetector/Deconvolution/Deconvolution.fcl
index a5d3934a..0816ea5b 100644
--- a/duneopdet/OpticalDetector/Deconvolution/Deconvolution.fcl
+++ b/duneopdet/OpticalDetector/Deconvolution/Deconvolution.fcl
@@ -127,4 +127,7 @@ protodunehd_mc_deconvolution.NoiseTemplateFiles:        []
 protodunehd_mc_deconvolution.NoiseTemplateMapChannels:  []
 protodunehd_mc_deconvolution.NoiseTemplateMapTemplates: []
 
+# read channel-by-channel gain file
+protodunehd_mc_deconvolution.ChannelGainFile: "reco_channel_gain_protoDUNEHD_v6.dat"
+
 END_PROLOG
diff --git a/duneopdet/OpticalDetector/reco_channel_gain_protoDUNEHD_v6.dat b/duneopdet/OpticalDetector/reco_channel_gain_protoDUNEHD_v6.dat
new file mode 100644
index 00000000..be5076d2
--- /dev/null
+++ b/duneopdet/OpticalDetector/reco_channel_gain_protoDUNEHD_v6.dat
@@ -0,0 +1,160 @@
+0   1.511e1
+1   1.473e1
+2   1.465e1
+3   15
+4   1.141e1
+5   1.484e1
+6   1.614e1
+7   1.49e1
+8   1.627e1
+9   1.588e1
+10  1.485e1
+11  1.465e1
+12  1.43e1
+13  1.455e1
+14  1.086e1
+15  1.136e1
+16  1.642e1
+17  1.546e1
+18  1.634e1
+19  1.247e1
+20  1.455e1
+21  1.484e1
+22  1.503e1
+23  1.443e1
+24  1.124e1
+25  1.523e1
+26  1.579e1
+27  1.532e1
+28  1.06e1
+29  1.614e1
+30  1.455e1
+31  1.497e1
+32  1.458e1
+33  1.485e1
+34  1.079e1
+35  1.559e1
+36  1.49e1
+37  1.536e1
+38  1.517e1
+39  1.573e1
+40  1.111e1
+41  9.73
+42  1.258e1
+43  1.49e1
+44  1.562e1
+45  1.335e1
+46  1.201e1
+47  1.25e1
+48  1.548e1
+49  1.223e1
+50  1.069e1
+51  1.434e1
+52  1.233e1
+53  1.454e1
+54  1.508e1
+55  1.436e1
+56  1.186e1
+57  1.327e1
+58  1.501e1
+59  1.209e1
+60  1.048e1
+61  1.416e1
+62  1.21e1
+63  1.472e1
+64  1.443e1
+65  1.281e1
+66  1.197e1
+67  1.379e1
+68  1.482e1
+69  1.237e1
+70  1.076e1
+71  1.458e1
+72  1.215e1
+73  1.41e1
+74  1.516e1
+75  1.402e1
+76  1.171e1
+77  1.417e1
+78  1.518e1
+79  1.302e1
+80  1.412e1
+81  1.463e1
+82  1.443e1
+83  1.226e1
+84  1.18e1
+85  1.306e1
+86  15
+87  15
+88  1.521e1
+89  1.524e1
+90  1.407e1
+91  1.403e1
+92  1.481e1
+93  1.42e1
+94  1.321e1
+95  1.322e1
+96  9.66
+97  15
+98  1.472e1
+99  1.536e1
+100 1.441e1
+101 1.453e1
+102 1.521e1
+103 1.233e1
+104 1.086e1
+105 1.048e1
+106 9.69
+107 15
+108 1.461e1
+109 1.59e1
+110 1.429e1
+111 1.482e1
+112 1.439e1
+113 1.457e1
+114 1.075e1
+115 1.107e1
+116 15
+117 15
+118 1.46e1
+119 1.491e1
+120 1.087e1
+121 1.102e1
+122 1.427e1
+123 1.417e1
+124 1.075e1
+125 1.009e1
+126 1.075e1
+127 1.017e1
+128 15
+129 1.255e1
+130 1.081e1
+131 1.332e1
+132 1.421e1
+133 1.523e1
+134 7.93
+135 1.065e1
+136 9.21
+137 1.177e1
+138 1.559e1
+139 1.186e1
+140 1.088e1
+141 1.147e1
+142 1.446e1
+143 1.472e1
+144 1.111e1
+145 1.072e1
+146 1.167e1
+147 1.13e1
+148 1.64e1
+149 1.23e1
+150 1.131e1
+151 1.22e1
+152 1.507e1
+153 1.516e1
+154 1.143e1
+155 1.065e1
+156 1.16e1
+157 1.111e1
+158 1.674e1
+159 1.21e1
\ No newline at end of file