linux-headers-686-pae broken package

$ sudo apt-get -t squeeze-backports install linux-headers-686-pae
Reading package lists... Done
Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 linux-headers-686-pae : Depends: linux-headers-3.2.0-0.bpo.2-686-pae but it is not going to be installed
E: Broken packages
hoferr@hoferr-bedroom:/etc/apt$ apt-cache policy linux-headers-3.2.0-0.bpo.2-686-pae
linux-headers-3.2.0-0.bpo.2-686-pae:
  Installed: (none)
  Candidate: 3.2.9-1~bpo60+1
  Version table:
     3.2.9-1~bpo60+1 0
        500 http://backports.debian.org/debian-backports/ squeeze-backports/main i386 Packages