Exodus 12:23

12:23 For Yahweh will pass through to strike the Egyptians; and when he sees the blood on the lintel, and on the two side-posts, Yahweh will pass over the door, and will not allow the destroyer to come in to your houses to strike you.
-World English Bible

Other Translation

12:23 For the LORD will pass through to smite the Egyptians; and when he seeth the blood upon the lintel, and on the two side posts, the LORD will pass over the door, and will not suffer the destroyer to come in unto your houses to smite [you].
-King James Version