But the former health secretary Frank Dobson says another 75 backbenchers oppose the white paper.
When Panorama put out a program which included some Conservative backbenchers expressing doubts about the use of military force she was consumed with rage.
The Independent reports that Charles Clarke held a special meeting last night in order to persuade backbenchers not to back the rebel amendment.
Opposition would have been left to conservative backbenchers who would have been marginalized.
A subdued Mr Straw experienced the anger of his own backbenchers.