diff --git a/operators.h b/operators.h
index ac7161aa..d9ff7878 100644
--- a/operators.h
+++ b/operators.h
@@ -262,8 +262,8 @@ namespace detail
   PY_DEFINE_UNARY_OPERATORS(pos, +);
   PY_DEFINE_UNARY_OPERATORS(abs, abs);
   PY_DEFINE_UNARY_OPERATORS(invert, ~);
-  PY_DEFINE_UNARY_OPERATORS(int, int);
-  PY_DEFINE_UNARY_OPERATORS(long, long);
+  PY_DEFINE_UNARY_OPERATORS(int, long);
+  PY_DEFINE_UNARY_OPERATORS(long, PyLong_FromLong);
   PY_DEFINE_UNARY_OPERATORS(float, double);
 
 #undef PY_DEFINE_BINARY_OPERATORS