diff --git a/cscripts/csphagen.par b/cscripts/csphagen.par
index 466dbd8..de784b7 100644
--- a/cscripts/csphagen.par
+++ b/cscripts/csphagen.par
@@ -35,13 +35,16 @@ emax,          r, a, 100.0,,, "Stop value for last energy bin in TeV"
 enumbins,      i, a, 120,,, "Number of energy bins"
 ebinfile,      f, a, NONE,,, "Name of the file containing the energy bin definition"
 ebingamma,     r, a, 1.0,,, "Exponent for POW energy node definition"
-srcshape,      s, h, CIRCLE,CIRCLE,, "Shape of the source region"
+srcshape,      s, a, CIRCLE,CIRCLE|RECT,, "Shape of the source region"
 coordsys,      s, a, CEL,CEL|GAL,, "Coordinate system (CEL - celestial, GAL - galactic)"
 ra,            r, a, 83.63,0,360, "Right Ascension of source region centre (deg)"
 dec,           r, a, 22.01,-90,90, "Declination of source region centre (deg)"
 glon,          r, a, 184.56,0,360, "Galactic longitude of source region centre (deg)"
 glat,          r, a, -5.79,-90,90, "Galactic latitude of source region centre (deg)"
 rad,           r, a, 0.2,0,180, "Radius of source region circle (deg)"
+width,         r, a, 0.2,0,180, "Width of source region rectangle (deg)"
+height,        r, a, 0.2,0,180, "Width of source region rectangle (deg)"
+posang,        r, a, 0,-360,360, "Position angle of source region rectangle ccw from North (deg)"
 srcregfile,    f, a, on.reg,,, "Source region file (ds9 or FITS WCS)"
 bkgmethod,     s, a, REFLECTED,REFLECTED|CUSTOM,, "Method for background estimation"
 bkgregfile,    f, a, bkg.reg,,, "Background regions file (ds9 or FITS WCS)"