diff --git a/envargs/parser.py b/envargs/parser.py
index 2c5e90c..3745050 100644
--- a/envargs/parser.py
+++ b/envargs/parser.py
@@ -27,6 +27,8 @@ def _load_values(values, fields):
                 yield dest, value
         elif isinstance(field, dict):
             yield dest, dict(_load_values(values, field))
+        elif isinstance(field, (int, float, str, bytes, bool)):
+            yield dest, field
 
 
 def parse_dict(values, fields):
diff --git a/tests/test_parsing.py b/tests/test_parsing.py
index df74e38..91555dc 100644
--- a/tests/test_parsing.py
+++ b/tests/test_parsing.py
@@ -232,3 +232,31 @@ def test_nesting():
             'an_int': 10,
         },
     }
+
+
+def test_static_vars():
+    """Test that hardcoded vars fall through parsing."""
+    args = {
+        'a_var': Var(
+            use=int,
+            load_from='A_VAR',
+        ),
+        'some_bytes': b'bytes!',
+        'a_string': 'my string',
+        'a_float': 1.5,
+        'a_int': 1,
+        'a_bool': True,
+    }
+
+    values = {
+        'A_VAR': '0',
+    }
+
+    assert parse_dict(values, args) == {
+        'a_var': 0,
+        'some_bytes': b'bytes!',
+        'a_string': 'my string',
+        'a_float': 1.5,
+        'a_int': 1,
+        'a_bool': True,
+    }