diff --git a/tools/test/source/main.cpp b/tools/test/source/main.cpp
index b97d75f9..5c11f1c8 100644
--- a/tools/test/source/main.cpp
+++ b/tools/test/source/main.cpp
@@ -55,6 +55,9 @@ namespace psemek::test
 		{
 			messages.push_back({msg.level, std::string(msg.message)});
 		}
+		
+		void flush() override
+		{}
 	};
 
 }