diff --git a/g2log/src/g2log.cpp b/g2log/src/g2log.cpp
index a2d61e7..7b788a0 100644
--- a/g2log/src/g2log.cpp
+++ b/g2log/src/g2log.cpp
@@ -132,7 +132,7 @@ namespace g2 {
             error << "FATAL CALL but logger is NOT initialized\n"
                     << "SIGNAL: " << message.get()->signal()
                     << "\nMessage: \n" << message.get()->toString() << std::flush;
-            std::cerr << error << std::flush;
+            std::cerr << error.str() << std::flush;
             internal::exitWithDefaultSignalHandler(message.get()->_signal_id);
          }