'Yan Jamus sun juya zuwa ga aikin su na gaba, mai suna code
Schwarz, kuma sun kai hari ga Chetniks na Montenegro. Da alama Đurišić ya ba Mihailović shawarar yin aiki tare na ɗan gajeren lokaci tare da Jamusawa a kan 'yan tawaye, wani abu da Mihailović ya ƙi yarda da shi. Đurišić ya ƙare kare hedkwatarsa a Kolašin a kan 'yan tawaye. A ranar 14 ga Mayu, Jamusawa sun shiga Kolašin kuma suka kama Đurišić, yayin da Mihailović ya tsere.