diff --git a/datapack/data/computercraft/lua/rom/apis/matrix.lua b/datapack/data/computercraft/lua/rom/apis/matrix.lua
index 607e05e..3658891 100644
--- a/datapack/data/computercraft/lua/rom/apis/matrix.lua
+++ b/datapack/data/computercraft/lua/rom/apis/matrix.lua
@@ -81,7 +81,6 @@ function fromVector(v, row)
     if (getmetatable(v) or {}).__name ~= "vector" then expect(1, v, "vector") end
     expect(2, row, "boolean", "nil")
 
-    row = row or true
     local m = {}
     if row then
         m[1] = {v.x, v.y, v.z}
@@ -975,4 +974,4 @@ metatable = {
     __len = matrix.length,
     __tostring = matrix.tostring,
     __eq = matrix.equals
-}
\ No newline at end of file
+}