-AC_INIT([geeqie], m4_esyscmd_s(git rev-parse --quiet --verify --short master), [geeqie-devel@lists.sourceforge.net], [], [http://www.geeqie.org/])
+AC_INIT([geeqie], m4_esyscmd_s(git rev-parse --quiet --verify --short HEAD), [geeqie-devel@lists.sourceforge.net], [], [http://www.geeqie.org/])