Interchange of summation and max operator

Question

Is there any conditions under which the following holds: \begin{align} \sum_{i \in I} \alpha_i \max_{x} f_i(x) = \max_{x} \sum_{i \in I} \alpha_i f_i(x) \end{align} where $\alpha_i >0, \forall i \in I$ and f_i's have the same domain.