He has also voiced his scepticism of sending about 100 Norwegian soldiers to Iraq to fight against ISIL, fearing that doing so would increase the risk of Islamic terrorism in Norway, as well as not leading to peace and democracy in the region. Previously however he had called for Norway to join the United States' coalition against ISIL. He has proposed for Norwegian citizens joining ISIL to be put on trial for treason on the same line as Norwegians having fought for Nazi Germany during the Second World War.