And where he had first built an altar. There Abram called on the name of the LORD. (NIV)
Where he had built an altar at first; and there Abram called on the name of the Lord. [Gal. 3:6-9.] (AMP)
Unto the place of the altar, which he had make there at the first: and there Abram called on the name of the LORD. (KJV)