diff --git a/msgpack/unpack.h b/msgpack/unpack.h
index 5ec7dbc..3dc88e5 100644
--- a/msgpack/unpack.h
+++ b/msgpack/unpack.h
@@ -163,6 +163,8 @@ static inline int template_callback_array_end(unpack_user* u, msgpack_unpack_obj
 {
     if (u->list_hook) {
         PyObject *new_c = PyEval_CallFunction(u->list_hook, "(O)", *c);
+        if (!new_c)
+            return -1;
         Py_DECREF(*c);
         *c = new_c;
     }
@@ -207,6 +209,9 @@ static inline int template_callback_map_end(unpack_user* u, msgpack_unpack_objec
 {
     if (u->object_hook) {
         PyObject *new_c = PyEval_CallFunction(u->object_hook, "(O)", *c);
+        if (!new_c)
+            return -1;
+
         Py_DECREF(*c);
         *c = new_c;
     }
diff --git a/msgpack/unpack_template.h b/msgpack/unpack_template.h
index 7d07601..8a57f0d 100644
--- a/msgpack/unpack_template.h
+++ b/msgpack/unpack_template.h
@@ -347,7 +347,7 @@ _push:
 		if(construct_cb(_array_item)(user, c->count, &c->obj, obj) < 0) { goto _failed; }
 		if(++c->count == c->size) {
 			obj = c->obj;
-			construct_cb(_array_end)(user, &obj);
+			if (construct_cb(_array_end)(user, &obj) < 0) { goto _failed; }
 			--top;
 			/*printf("stack pop %d\n", top);*/
 			goto _push;
@@ -361,7 +361,7 @@ _push:
 		if(construct_cb(_map_item)(user, c->count, &c->obj, c->map_key, obj) < 0) { goto _failed; }
 		if(++c->count == c->size) {
 			obj = c->obj;
-			construct_cb(_map_end)(user, &obj);
+			if (construct_cb(_map_end)(user, &obj) < 0) { goto _failed; }
 			--top;
 			/*printf("stack pop %d\n", top);*/
 			goto _push;
diff --git a/test/test_obj.py b/test/test_obj.py
index 881e627..1d9024b 100644
--- a/test/test_obj.py
+++ b/test/test_obj.py
@@ -49,5 +49,26 @@ def test_array_hook():
     unpacked = unpackb(packed, list_hook=_arr_to_str, use_list=1)
     eq_(unpacked, '123')
 
+
+class DecodeError(Exception):
+    pass
+
+def bad_complex_decoder(o):
+    raise DecodeError("Ooops!")
+
+
+@raises(DecodeError)
+def test_an_exception_in_objecthook1():
+    packed = packb({1: {'__complex__': True, 'real': 1, 'imag': 2}})
+    unpackb(packed, object_hook=bad_complex_decoder)
+
+
+@raises(DecodeError)
+def test_an_exception_in_objecthook2():
+    packed = packb({1: [{'__complex__': True, 'real': 1, 'imag': 2}]})
+    unpackb(packed, list_hook=bad_complex_decoder, use_list=1)
+
+
+
 if __name__ == '__main__':
     main()