The distinctness assumption of the Dempster's rule of combination is often not fulfilled in practice. A combination rule for non-distinct bodies of the evidence is proposed, by using the commonality function under the assumption that the dependent source is available. The identification of distinct bodies of the evidence is not necessary in the proposed approach, and an analytic combination result is generated without additional assumption that the dependent source is non-dogmatic. A numerical example is provided to illustrate the effectiveness of the proposed combination rule.