diff --git a/CHANGES/808.bugfix.rst b/CHANGES/808.bugfix.rst
new file mode 100644
index 000000000..0f95de744
--- /dev/null
+++ b/CHANGES/808.bugfix.rst
@@ -0,0 +1 @@
+Made :py:meth:`URL.build` raise a :py:exc:`TypeError` if the ``host`` argument is :py:data:`None` — by :user:`paulpapacz`.
diff --git a/tests/test_url_build.py b/tests/test_url_build.py
index fc9ccc1d3..51969fa84 100644
--- a/tests/test_url_build.py
+++ b/tests/test_url_build.py
@@ -239,6 +239,11 @@ def test_build_with_authority_with_path_without_leading_slash():
         URL.build(scheme="http", host="example.com", path="path_without_leading_slash")
 
 
+def test_build_with_none_host():
+    with pytest.raises(TypeError, match="NoneType is illegal for.*host"):
+        URL.build(scheme="http", host=None)
+
+
 def test_build_with_none_path():
     with pytest.raises(TypeError):
         URL.build(scheme="http", host="example.com", path=None)
diff --git a/yarl/_url.py b/yarl/_url.py
index 39fcfa194..e21c5e96e 100644
--- a/yarl/_url.py
+++ b/yarl/_url.py
@@ -240,12 +240,13 @@ def build(
         if (
             scheme is None
             or authority is None
+            or host is None
             or path is None
             or query_string is None
             or fragment is None
         ):
             raise TypeError(
-                'NoneType is illegal for "scheme", "authority", "path", '
+                'NoneType is illegal for "scheme", "authority", "host", "path", '
                 '"query_string", and "fragment" args, use empty string instead.'
             )