Although this is the opinion of several authorities, Shulchan Aruch, Kitzur, Chayei Adam and other halachic works do not make this distinction. Consequently, you should recite the normal berachah of לקבוע מזוזה.
 Rambam, Hilchos Berachot 11:13; Az Nidberu 3:59.
 Mezuzas Melachim, Halachah L’Moshe 76; Sha’arei HaMezuzah 17:6:8, citing oral ruling of R. Shmuel Vosner and Kovetz Mi-Beit Levi 4; Pitchei Mezuzah Y.D. 289:1, citing oral ruling from R. Moshe Halberstam; See also Bei’ur HaGra Y.D. 305:15.