diff --git a/src/disk.sh b/src/disk.sh
index 7fdf1c1..341e380 100644
--- a/src/disk.sh
+++ b/src/disk.sh
@@ -403,7 +403,7 @@ addMedia () {
   local index=""
   local DISK_ID="cdrom$DISK_BUS"
   [ -n "$DISK_INDEX" ] && index=",bootindex=$DISK_INDEX"
-  local result="-drive file=$DISK_FILE,id=$DISK_ID,format=raw,readonly=on,media=cdrom"
+  local result="-drive file=$DISK_FILE,id=$DISK_ID,format=raw,cache=unsafe,readonly=on,media=cdrom"
 
   case "${DISK_TYPE,,}" in
     "auto" )