diff --git a/typing_validation/validation.py b/typing_validation/validation.py
index ed09b63..53ce88f 100644
--- a/typing_validation/validation.py
+++ b/typing_validation/validation.py
@@ -515,9 +515,6 @@ def _extract_dtypes(t: Any) -> typing.Sequence[Any]:
             dtype for member in t.__args__ for dtype in _extract_dtypes(member)
         ]
     import numpy as np  # pylint: disable = import-outside-toplevel
-
-    if isinstance(t, type) and issubclass(t, np.generic):
-        return [t]
     if hasattr(t, "__origin__"):
         t_origin = t.__origin__
         if t_origin in {
@@ -532,6 +529,8 @@ def _extract_dtypes(t: Any) -> typing.Sequence[Any]:
             if t == t_origin[Any]:
                 return [t_origin]
             # TODO: add broader support for np.NBitBase subtypes
+    if isinstance(t, type) and issubclass(t, np.generic):
+        return [t]
     raise TypeError()