PKG 1.3 port update fails

[Jos Chrispijn]

   Just got this error when upgrading pkg:
   ===>>> Creating a backup package for old version pkg-1.3.0
   Creating package for pkg-1.3.0
   Checking integrity... done (0 conflicting)
   Deinstallation has been requested for the following 1 packages (of 1
   packages in the universe):
   Installed packages to be REMOVED:
           pkg-1.3.0
   The operation will free 7 MB
   [1/1] Deleting pkg-1.3.0: 100%
   ===>>> Starting check for runtime dependencies
   ===>>> Gathering dependency list for ports-mgmt/pkg from ports
   ===>>> No dependencies for ports-mgmt/pkg
   ===>  Installing for pkg-1.3.1
   ===>  Checking if ports-mgmt/pkg already installed
   Child process pid=82376 terminated abnormally: Segmentation fault: 11
   *** [check-already-installed] Error code 245
   Stop in /usr/ports/ports-mgmt/pkg.
   *** [/usr/ports/ports-mgmt/pkg/work/.install_done.pkg._usr_local] Error
   code 1
   Stop in /usr/ports/ports-mgmt/pkg.
   ===>>> A backup package for pkg-1.3.0 should
          be located in /usr/ports/packages/portmaster-backup
   ===>>> Installation of pkg-1.3.1 (ports-mgmt/pkg) failed
   ===>>> Aborting update
   ===>>> Update for ports-mgmt/pkg failed
   ===>>> Aborting update
   --- cut ---
   Can you pls advise how to solve? Thanks!
   Jos