diff --git a/owntech/scripts/pre_bootloader_serial.py b/owntech/scripts/pre_bootloader_serial.py
index 5306c2d..89950b3 100644
--- a/owntech/scripts/pre_bootloader_serial.py
+++ b/owntech/scripts/pre_bootloader_serial.py
@@ -15,6 +15,7 @@
 third_party_dir = os.path.join(".", "owntech", "third_party")
 mcumgr_executable = "mcumgr"     if platform.system() == 'Linux' and platform.machine() == 'x86_64' else \
                     "mcumgr-rpi" if platform.system() == 'Linux' and platform.machine() == 'armv7l' else \
+					"mcumgr-rpi" if platform.system() == 'Linux' and platform.machine() == 'aarch64' else \
                     "mcumgr-mac" if platform.system() == 'Darwin'  else \
                     "mcumgr.exe" if platform.system() == 'Windows' else \
                     None