Jeremiah 51:12 in the King James Version
Set up the standard upon the walls of Babylon, make the watch strong, set up the watchmen, prepare the ambushes: for the LORD hath both devised and done that which he spake against the inhabitants of Babylon.
Context
11 “Make the arrows sharp! Hold the shields firmly! The LORD has stirred up the spirit of the kings of the Medes, because his purpose is against Babylon, to destroy it; for it is the vengeance of the LORD, the vengeance of his temple.
12 Set up a standard against the walls of Babylon! Make the watch strong! Set the watchmen, and prepare the ambushes; for the LORD has both purposed and done that which he spoke concerning the inhabitants of Babylon.
13 You who dwell on many waters, abundant in treasures, your end has come, the measure of your covetousness.