Amharic

-e/-ye - my (genitive pronominal suffix, 1 sg.) (AED 1688, Bulakh–Kogan 2013b:101)

-ye is the form used with nouns ending in a vowel.

PS
*-ī/-ya - my (genitive pronominal suffix, 1 sg.) (Kogan 2009:69)
In most languages *-ya is an allomorph used after long vowels. An exclusion is Ethio-Semitic, where reflexes of *-ya are used in all cases.