Index: mttroot/mtt/debian/control
==================================================================
--- mttroot/mtt/debian/control
+++ mttroot/mtt/debian/control
@@ -5,11 +5,11 @@
 Build-Depends: debhelper (>> 3.0.0)
 Standards-Version: 3.5.2
 
 Package: mtt
 Architecture: all
-Depends: gawk, octave, xfig
+Depends: gawk, octave, units, xfig
 Recommends: blas-dev, fftw-dev, c-compiler, g++, gnuplot, info-browser, lapack-dev, latex2html, libkpathsea-dev, libncurses5-dev, libreadline4-dev, pdf-viewer, postscript-viewer, octave-headers, octave-info, p2c, transfig, xterm, www-browser, wish
 Suggests: scigraphica, zip
 Description: Model Transformation Tools.
  A set of tools for modelling dynamic physical systems using the bond-graph
  methodology and transforming these models into representations suitable for