diff --git a/buildroot-external/board/raspberrypi/genimage-raspberrypi4-64.cfg b/buildroot-external/board/raspberrypi/genimage-raspberrypi4-64.cfg
index 2e95c102..426af9a2 100644
--- a/buildroot-external/board/raspberrypi/genimage-raspberrypi4-64.cfg
+++ b/buildroot-external/board/raspberrypi/genimage-raspberrypi4-64.cfg
@@ -15,6 +15,7 @@ image boot.vfat {
 
 image sdcard.img {
   hdimage {
+    disk-signature = 0xOVOS
     gpt = "true"
   }