diff --git a/src/entry.sh b/src/entry.sh
index 27d7066..3618277 100755
--- a/src/entry.sh
+++ b/src/entry.sh
@@ -1,6 +1,8 @@
 #!/usr/bin/env bash
 set -Eeuo pipefail
 
+PLATFORM="arm64"
+
 : "${APP:="QEMU"}"
 : "${MACHINE:="virt"}"
 : "${SUPPORT:="https://github.com/qemus/qemu-arm"}"