windows overview shortcut while changing workspace repeats windows

[Ander]

If you type "super+A" while changing workspace, window repeats in background. Here's a screenshot.

ProblemType: Bug
DistroRelease: elementary OS 0.3
Package: elementary-desktop 1.349+393~ubuntu0.3.1 [origin: LP-PPA-elementary-os-daily]
ProcVersionSignature: Ubuntu 3.13.0-33.58-generic 3.13.11.4
Uname: Linux 3.13.0-33-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.3
Architecture: amd64
CrashDB: elementary_meta
CurrentDesktop: Pantheon
Date: Wed Aug 13 17:37:39 2014
InstallationDate: Installed on 2014-08-11 (2 days ago)
InstallationMedia: elementary OS 0.3 "Freya" - Daily amd64 (20140810)
ProcEnviron:
 LANGUAGE=es
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=es_ES.UTF-8
 SHELL=/usr/bin/fish
SourcePackage: elementary-meta
SuspiciousXErrors:

ThirdParty: True
UpgradeStatus: No upgrade log present (probably fresh install)