diff --git a/addon/lib/rmupdate.tcl b/addon/lib/rmupdate.tcl
index 0df976f..9527b95 100644
--- a/addon/lib/rmupdate.tcl
+++ b/addon/lib/rmupdate.tcl
@@ -330,7 +330,9 @@ proc ::rmupdate::update_filesystems {image {dryrun 0}} {
 		mount_system_partition $sys_partition $mnt_sys
 		
 		write_log "Rsyncing filesystem of partition ${sys_partition}."
-		exec rsync ${extra_args} --progress --archive --delete "${mnt_img}/" "${mnt_sys}"
+		if [catch {exec rsync ${extra_args} --progress --archive --delete "${mnt_img}/" "${mnt_sys}"} err] {
+			write_log $err
+		}
 		write_log "Rsync finished."
 		
 		if {$img_partition == 1} {