diff --git a/include/crow/logging.h b/include/crow/logging.h
index 36373e3e3..f68a06ecf 100644
--- a/include/crow/logging.h
+++ b/include/crow/logging.h
@@ -60,7 +60,7 @@ namespace crow
                     prefix = "CRITICAL";
                     break;
             }
-            std::cerr << "(" << timestamp() << ") [" << prefix << "] " << message << std::endl;
+            std::cerr << std::string("(") + timestamp() + std::string(") [") + prefix + std::string("] ") + message << std::endl;
         }
 
     private: