diff --git a/onnxruntime/core/common/logging/sinks/ostream_sink.cc b/onnxruntime/core/common/logging/sinks/ostream_sink.cc
index 3b832c9d63..0db3d8709d 100644
--- a/onnxruntime/core/common/logging/sinks/ostream_sink.cc
+++ b/onnxruntime/core/common/logging/sinks/ostream_sink.cc
@@ -46,7 +46,7 @@ void OStreamSink::SendImpl(const Timestamp& timestamp, const std::string& logger
 #endif
 
   msg << timestamp << " [" << message.SeverityPrefix() << ":" << message.Category() << ":" << logger_id << ", "
-      << message.Location().ToString() << "] " << message.Message() << "\n";
+      << message.Location().ToString() << "] " << message.Message();
 
 #ifndef ORT_MINIMAL_BUILD
   if (message.Severity() == Severity::kWARNING ||
@@ -55,6 +55,7 @@ void OStreamSink::SendImpl(const Timestamp& timestamp, const std::string& logger
     msg << Color::kEnd;
   }
 #endif
+  msg << "\n";
 
   (*stream_) << msg.str();
 
@@ -87,7 +88,7 @@ void WOStreamSink::SendImpl(const Timestamp& timestamp, const std::string& logge
 #endif
 
   msg << timestamp << L" [" << message.SeverityPrefix() << L":" << message.Category() << L":" << ToWideString(logger_id) << L", "
-      << ToWideString(message.Location().ToString()) << L"] " << ToWideString(message.Message()) << L"\n";
+      << ToWideString(message.Location().ToString()) << L"] " << ToWideString(message.Message());
 
 #ifndef ORT_MINIMAL_BUILD
   if (message.Severity() == Severity::kWARNING ||
@@ -96,6 +97,7 @@ void WOStreamSink::SendImpl(const Timestamp& timestamp, const std::string& logge
     msg << Color::kLEnd;
   }
 #endif
+  msg << L"\n";
 
   (*stream_) << msg.str();