Psalm 51/Notes/Textual.v. 19.403153
From Psalms: Layer by Layer
The MT reads the 2ms verb תִבְזֶה, in which case אֱלֹהִים must be read as a vocative. The Greek, on the other hand, reads the 3ms verb יִבְזֶה with אֱלֹהִים as the subject of the verb.