diff --git a/01_download_factorytest.sh b/01_download_factorytest.sh
index 809644d..2a03e08 100644
--- a/01_download_factorytest.sh
+++ b/01_download_factorytest.sh
@@ -8,7 +8,7 @@
 for ext in bin bootloader.bin partitions.bin; do
     url="${baseurl}${ext}"
     echo "Downloading $url ..."
-    curl -L -o "$bindir/FactoryTest.${ext}" "$url"
+    curl -L -o "$bindir/FactoryTest.ino.${ext}" "$url"
     if [ $? -ne 0 ]; then
         echo "Failed to download $url"
         exit 1