diff --git a/src/tablib/core.py b/src/tablib/core.py
index c46ddee4..31e6ba88 100644
--- a/src/tablib/core.py
+++ b/src/tablib/core.py
@@ -311,10 +311,7 @@ def _set_headers(self, collection):
         """Validating headers setter."""
         self._validate(collection)
         if collection:
-            try:
-                self.__headers = list(collection)
-            except TypeError:
-                raise TypeError
+            self.__headers = list(collection)
         else:
             self.__headers = None