diff --git a/.github/workflows/gitea-release.yml b/.github/workflows/gitea-release.yml
index 55a99ce..c877139 100644
--- a/.github/workflows/gitea-release.yml
+++ b/.github/workflows/gitea-release.yml
@@ -40,8 +40,9 @@ jobs:
         # Copy firmware binary
         cp .pio/build/esp32dev/firmware.bin .pio/build/esp32dev/upgrade_filaman_firmware_v${VERSION}.bin
         
-        # Create SPIFFS binary
-        cp .pio/build/esp32dev/spiffs.bin .pio/build/esp32dev/upgrade_filaman_website_v${VERSION}.bin
+        # Create SPIFFS binary with magic byte
+        echo -ne '\xEA' > .pio/build/esp32dev/upgrade_filaman_website_v${VERSION}.bin
+        cat .pio.build/esp32dev/spiffs.bin >> .pio/build/esp32dev/upgrade_filaman_website_v${VERSION}.bin
         
         # Create full binary
         (cd .pio/build/esp32dev && 
diff --git a/.github/workflows/github-release.yml b/.github/workflows/github-release.yml
index 5cd5a99..2aabf56 100644
--- a/.github/workflows/github-release.yml
+++ b/.github/workflows/github-release.yml
@@ -69,8 +69,9 @@ jobs:
         # Copy firmware binary
         cp .pio/build/esp32dev/firmware.bin .pio/build/esp32dev/upgrade_filaman_firmware_v${VERSION}.bin
         
-        # Always create SPIFFS binary
-        cp .pio/build/esp32dev/spiffs.bin .pio/build/esp32dev/upgrade_filaman_website_v${VERSION}.bin
+        # Create SPIFFS binary with magic byte
+        echo -ne '\xEA' > .pio/build/esp32dev/upgrade_filaman_website_v${VERSION}.bin
+        cat .pio/build/esp32dev/spiffs.bin >> .pio/build/esp32dev/upgrade_filaman_website_v${VERSION}.bin
         
         # Create full binary (always)
         (cd .pio/build/esp32dev &&