make check fails with xfce4-taskmanager-0.3.2 like following,

-- cut --

Making check in po
make[1]: Entering directory `/tmp/xfce4-taskmanager-0.3.2/po'
XGETTEXT_ARGS="--keyword=Q_ --from-code=UTF-8" INTLTOOL_EXTRACT=../intltool-extract srcdir=. ../intltool-update --gettext-package xfce4-taskmanager --pot
rm -f missing notexist
srcdir=. ../intltool-update -m
Unmatched ( in regex; marked by <-- HERE in m/^xfce4-taskmanager-taskmanager_version( <-- HERE /.*$/ at ../intltool-update line 307, <FILE> line 45.
make[1]: *** [check] Error 9
make[1]: Leaving directory `/tmp/xfce4-taskmanager-0.3.2/po'
make: *** [check-recursive] Error 1

-- cut --

I've tried updating intltool files it comes with, well as intltoolize it again but that was a no go.