diff --git a/buildroot-external/board/ova/post-image.sh b/buildroot-external/board/ova/post-image.sh
index f84a8fd91..cdd85e96b 100755
--- a/buildroot-external/board/ova/post-image.sh
+++ b/buildroot-external/board/ova/post-image.sh
@@ -10,7 +10,7 @@ BOOT_DATA=${BINARIES_DIR}/boot
 . ${BOARD_DIR}/info
 
 # Filename
-IMAGE_FILE=hassio-${BOARD_ID}_${VERSION_MAJOR}.${VERSION_BUILD}.vmdk
+IMAGE_FILE=hassio-os_${BOARD_ID}-${VERSION_MAJOR}.${VERSION_BUILD}.vmdk
 
 # Init boot data
 rm -rf ${BOOT_DATA}