Escort was refitted at Falmouth between 10 January and 12 February 1940, and resumed her duties afterwards. Between February and April 1944 she escorted Russian Convoys JW 57 and JW 58, and in May was transferred to Escort Group 143 to prepare for the invasion of Normandy. In February 1943 she joined the escort of Convoy JW 53 from Loch Ewe to Kola Inlet, returning in March to resume duties in the Western Approaches.