diff --git a/functions/prepare_component.sh b/functions/prepare_component.sh
index 0ece6059..cd71c5ca 100644
--- a/functions/prepare_component.sh
+++ b/functions/prepare_component.sh
@@ -794,6 +794,7 @@ prepare_component() {
 
     cp -fvr "$emuconfigs/gzdoom/gzdoom.ini" "/var/config/gzdoom"
 
+    sed -i 's#RETRODECKHOMEDIR#'$rdhome'#g' "/var/config/gzdoom/gzdoom.ini" # This is an unfortunate one-off because set_setting_value does not currently support JSON
     sed -i 's#RETRODECKROMSDIR#'$roms_folder'#g' "/var/config/gzdoom/gzdoom.ini" # This is an unfortunate one-off because set_setting_value does not currently support JSON
     sed -i 's#RETRODECKSAVESDIR#'$saves_folder'#g' "/var/config/gzdoom/gzdoom.ini" # This is an unfortunate one-off because set_setting_value does not currently support JSON
   fi