diff --git a/buildscript b/buildscript
index 73558bb..04942e6 100755
--- a/buildscript
+++ b/buildscript
@@ -269,13 +269,21 @@ config() {
 }
 
 cp_firmware() {
+    if [ "$community" = "franken" ]; then
+        local community="fff"
+    fi
+
     for image in ${images[@]}; do
         filename_build=${image//openwrt/${community}-${version}}
+        filename_build=${filename_build//generic/g}
         cp "$target/bin/${chipset}/$image" "./bin/$filename_build"
 
         image_factory=${image/sysupgrade/factory}
         if [[ -f "$target/bin/${chipset}/$image_factory" ]]; then
           filename_build_factory=${filename_build/sysupgrade/factory}
+          if [ ${#image_factory} -lt ${#filename_build_factory} ]; then
+            echo "Warning: The factory image file name (${filename_build_factory}) is longer than the OpenWrt one, which might be incompatibility with the stock firmware."
+          fi
           cp "$target/bin/${chipset}/$image_factory" "./bin/$filename_build_factory"
         fi
     done
diff --git a/src/packages/fff/fff-sysupgrade/files/etc/sysupgrade.sh b/src/packages/fff/fff-sysupgrade/files/etc/sysupgrade.sh
index 27e3874..317d0a6 100755
--- a/src/packages/fff/fff-sysupgrade/files/etc/sysupgrade.sh
+++ b/src/packages/fff/fff-sysupgrade/files/etc/sysupgrade.sh
@@ -55,7 +55,11 @@ if [ $VERSION -eq $FIRMWARE_VERSION ]; then
   done
 fi
 
-FILE="${FIRMWARE_COMMUNITY}-${VERSION}-${SOC}-generic-${BOARD}-squashfs-sysupgrade.bin"
+if [ "$FIRMWARE_COMMUNITY" == "franken" ]; then
+    FIRMWARE_COMMUNITY="fff"
+fi
+
+FILE="${FIRMWARE_COMMUNITY}-${VERSION}-${SOC}-g-${BOARD}-squashfs-sysupgrade.bin"
 echo -ne "Downloading $FILE\n\n"
 wget "${UPGRADE_PATH}/${FILE}"
 wget "${UPGRADE_PATH}/${FILE}.sha256"