diff --git a/include/wrenpp/detail/construct_foreign_class.hpp b/include/wrenpp/detail/construct_foreign_class.hpp
index e82a3c8..54b9e76 100644
--- a/include/wrenpp/detail/construct_foreign_class.hpp
+++ b/include/wrenpp/detail/construct_foreign_class.hpp
@@ -143,14 +143,14 @@ namespace wren {
 
 					const auto result = detail::ForeignClassHelper<T, Args...>::construct(vm, vm.slot_count() - 1, mem);
 					if (not result.success) {
-						set(vm, 1, std::string{"No registered c++ constructor "} +
+						abort_fiber_with_error(vm, 1,
+							std::string{"No registered c++ constructor "} +
 #if defined(WRENPP_WITH_NAME_GUESSING)
-							"for class " + guess_class_name<T>() + " " +
+								"for class " + guess_class_name<T>() + " " +
 #endif
-							"takes " + std::to_string(result.parameter_count) +
-							" parameter" + (result.parameter_count == 1 ? "" : "s")
+								"takes " + std::to_string(result.parameter_count) +
+								" parameter" + (result.parameter_count == 1 ? "" : "s")
 						);
-						vm.abort_fiber(1);
 					}
 				};
 				ret.finalize = [](void* mem) {
diff --git a/include/wrenpp/vm_fun.hpp b/include/wrenpp/vm_fun.hpp
index e783019..b5030f9 100644
--- a/include/wrenpp/vm_fun.hpp
+++ b/include/wrenpp/vm_fun.hpp
@@ -58,6 +58,7 @@ namespace wren {
 	void variable(VM& vm, const Handle& handle, int slot);
 	void variable_ensure_slot(VM& vm, ModuleAndName mod_and_name, int slot);
 	void variable_ensure_slot(VM& vm, const Handle& handle, int slot);
+	void abort_fiber_with_error (VM& vm, int slot, std::string_view message);
 
 	namespace detail {
 		template <typename T>
@@ -225,8 +226,7 @@ namespace wren {
 			return obj;
 		}
 		catch (const std::runtime_error& err) {
-			set(vm, 1, err.what());
-			vm.abort_fiber(1);
+			abort_fiber_with_error(vm, 1, err.what());
 			return nullptr;
 		}
 	}
diff --git a/src/vm_fun.cpp b/src/vm_fun.cpp
index bd76fc2..8efbd83 100644
--- a/src/vm_fun.cpp
+++ b/src/vm_fun.cpp
@@ -89,4 +89,9 @@ namespace wren {
 		vm.ensure_slots(1);
 		variable(vm, handle, slot);
 	}
+
+	void abort_fiber_with_error (VM& vm, int slot, std::string_view message) {
+		set(vm, slot, message);
+		vm.abort_fiber(slot);
+	}
 } //namespace wren