diff --git a/overlay/etc/skel/.fldigi/fldigi_def.xml b/overlay/etc/skel/.fldigi/fldigi_def.xml
index c16dc8c..ac8fd99 100644
--- a/overlay/etc/skel/.fldigi/fldigi_def.xml
+++ b/overlay/etc/skel/.fldigi/fldigi_def.xml
@@ -1063,7 +1063,7 @@ CWI threshold (CWI detection and suppression) -->
 
 <!-- type: bool; default: false
 Long receive integration -->
-<MT63INTEGRATION>0</MT63INTEGRATION>
+<MT63INTEGRATION>1</MT63INTEGRATION>
 
 <!-- type: bool; default: true
 Also transmit upper start tone (only if MT63USETONES is enabled) -->
diff --git a/src/et-portaudio/gen-fldigi-cfg.sh b/src/et-portaudio/gen-fldigi-cfg.sh
index 0b02148..b345b96 100755
--- a/src/et-portaudio/gen-fldigi-cfg.sh
+++ b/src/et-portaudio/gen-fldigi-cfg.sh
@@ -106,8 +106,18 @@ sed -i "s|^<HAMLIBCMDPTT>.*|<HAMLIBCMDPTT>1</HAMLIBCMDPTT>|" ${FLDIGI_CONF_FILE}
 sed -i "s|^<HAMRIGDEVICE>.*|<HAMRIGDEVICE>localhost:4532</HAMRIGDEVICE>|" ${FLDIGI_CONF_FILE}
 
 
+######################################
 # Enable Reed Soloman ID for RX and TX
+######################################
 et-log "Enabling Reed Soloman ID for RX/TX..."
 
 sed -i "s|^<RECEIVERSID>.*|<RECEIVERSID>1</RECEIVERSID>|" ${FLDIGI_CONF_FILE}
 sed -i "s|^<TRANSMITRSID>.*|<TRANSMITRSID>1</TRANSMITRSID>|" ${FLDIGI_CONF_FILE}
+
+
+###########################
+# Modem configuration: MT63
+###########################
+et-log "Updating MT63 modem configuration..."
+
+sed -i "s|^<MT63INTEGRATION>.*|<MT63INTEGRATION>1</MT63INTEGRATION>|" ${FLDIGI_CONF_FILE}