When syncing my Cosmos wallet using my public key, the transfer of ATOM is imported as two transactons:

I want these to be imported together so that, when Koinly merges the transfers, gas fee can be added as the transfer fee.

I need to merge the withdrawal and the cost together manually. If the withdrawal was already merged with a deposit into a transfer:

ref. https://support.koinly.io/en/articles/9490046-how-to-merge-split-transactions-manually