TextField doesn't use the Ubuntu font

For some reason it's unable to locate the font file

ProblemType: Bug
ApportVersion: 2.12.7-0ubuntu3
Architecture: armhf
Date: Tue Dec 24 16:33:02 2013
Dependencies:
 dpkg 1.17.1ubuntu1
 gcc-4.8-base 4.8.2-10ubuntu2
 libacl1 2.2.52-1
 libattr1 1:2.4.47-1
 libbz2-1.0 1.0.6-5
 libc6 2.18-0ubuntu2
 libgcc1 1:4.8.2-10ubuntu2
 liblzma5 5.1.1alpha+20120614-2ubuntu1
 libpcre3 1:8.31-2ubuntu2
 libselinux1 2.2.1-1ubuntu2
 multiarch-support 2.18-0ubuntu2
 tar 1.27-4
 zlib1g 1:1.2.8.dfsg-1ubuntu1
DistroRelease: Ubuntu 14.04
InstallationDate: Installed on 2013-12-24 (0 days ago)
InstallationMedia: Ubuntu Trusty Tahr (development branch) - armhf (20131224)
MarkForUpload: True
Package: ubuntu-ui-toolkit-theme 0.1.46+14.04.20131216-0ubuntu1
PackageArchitecture: armhf
ProcEnviron:
 TERM=linux
 PATH=(custom, no user)
SourcePackage: ubuntu-ui-toolkit
SystemImageInfo:
 current build number: 88
 device name: mako
 channel: trusty-proposed
 last update: 2013-12-24 14:18:16
 version version: 88
 version ubuntu: 20131224
 version device: 20131223.2
Tags: trusty
Uname: Linux 3.4.0-3-mako armv7l
UpgradeStatus: No upgrade log present (probably fresh install)