diff --git a/qubes-rpc/admin.vm.volume.Import b/qubes-rpc/admin.vm.volume.Import
index afde7875..bca9e43b 100755
--- a/qubes-rpc/admin.vm.volume.Import
+++ b/qubes-rpc/admin.vm.volume.Import
@@ -20,7 +20,7 @@ size=$(tail -c +3 "$tmpfile"|cut -d ' ' -f 1)
 path=$(tail -c +3 "$tmpfile"|cut -d ' ' -f 2)
 
 # now process stdin into this path
-if dd bs=4k of="$path" count="$size" iflag=count_bytes \
+if dd bs=4k of="$path" count="$size" iflag=count_bytes,fullblock \
         conv=sparse,notrunc,nocreat,fdatasync; then
     status="ok"
 else