diff --git a/src/catch2/internal/catch_stream.cpp b/src/catch2/internal/catch_stream.cpp
index 8b954c15..38919f8f 100644
--- a/src/catch2/internal/catch_stream.cpp
+++ b/src/catch2/internal/catch_stream.cpp
@@ -64,8 +64,10 @@ namespace Detail {
 
         struct OutputDebugWriter {
 
-            void operator()( std::string const&str ) {
-                writeToDebugConsole( str );
+            void operator()( std::string const& str ) {
+                if ( !str.empty() ) {
+                    writeToDebugConsole( str );
+                }
             }
         };