diff --git a/include/matador/utils/result.hpp b/include/matador/utils/result.hpp
index 3160854..13c5105 100644
--- a/include/matador/utils/result.hpp
+++ b/include/matador/utils/result.hpp
@@ -119,10 +119,10 @@ public:
   }
 
   template<typename Func,
-           typename SecondErrorType = typename std::invoke_result_t<Func, ErrorType >::value_type>
+           typename SecondErrorType = typename std::invoke_result_t<Func, ErrorType&& >::value_type>
   result<ValueType, SecondErrorType> or_else(Func &&f) {
     if (is_error()) {
-      return f(err());
+      return f(release_error());
     }
 
     return result<ValueType, SecondErrorType>(ok(release()));
@@ -175,10 +175,10 @@ public:
     return result(failure(release_error()));
   }
 
-  template<typename Func, typename SecondErrorType = typename std::invoke_result_t<Func, ErrorType >::value_type>
+  template<typename Func, typename SecondErrorType = typename std::invoke_result_t<Func, ErrorType&& >::value_type>
   result<void, SecondErrorType> or_else(Func &&f) {
     if (is_error()) {
-      return f(err());
+      return f(release_error());
     }
 
     return result<void, SecondErrorType>(ok<void>());