וַיְסַפֵּ֧ר שַֽׂר־הַמַּשְׁקִ֛ים אֶת־חֲלֹמ֖וֹ לְיוֹסֵ֑ף וַיֹּ֣אמֶר ל֔וֹ בַּחֲלוֹמִ֕י וְהִנֵּה־גֶ֖פֶן לְפָנָֽי׃
And the chief butler told his dream to Joseph, and said to him: ‘In my dream, behold, a vine was before me;
Or HaChaim on Genesis
בחלומי, "in my dream." Since he had dreamt the interpretation of his companion's dream, he now emphasised what he had seen in his own dream, i.e. the dream he had dreamt concerning himself.