--- cp.orig	2013-03-05 18:25:53.175903439 +0100
+++ cp	2013-03-05 18:25:42.295903579 +0100
@@ -133,7 +133,7 @@
 
 # Rename the disk filename to disk.vmdk (warning: it does so in SRC)
 if [ ! -f $SRC/disk.vmdk ]; then
-    BASE_DISK_FILE=`ls $SRC | grep -v '\-\(flat\|delta\|s[0-9]*\)\.vmdk$'`
+    BASE_DISK_FILE=`ls $SRC | grep '\.vmdk$' | grep -v '\-\(flat\|delta\|s[0-9]*\)\.vmdk$'`
 
     exec_and_log "mv -f $SRC/$BASE_DISK_FILE $SRC/disk.vmdk" \
                  "Error renaming disk file $SRC/$BASE_DISK_FILE to $SRC/disk.vmdk"