In Germany, being perceived to have backed down in response to Czechoslovak defensive measures and French and British diplomacy served only to reinforce hostility towards Czechoslovakia. Within a matter of days, the German leader, Adolf Hitler, revised the directive for Case Green, the plan to invade Czechoslovakia. The new directive, issued on 30 May 1938, was due to be carried out before the start of October 1938 and stated, "It is my unalterable decision to smash Czechoslovakia by military action in the near future".[3]