diff --git a/src/rtfgen.cpp b/src/rtfgen.cpp
index 15c421ac75c..7baaa3c10de 100644
--- a/src/rtfgen.cpp
+++ b/src/rtfgen.cpp
@@ -95,7 +95,7 @@ RTFGenerator::~RTFGenerator()
 
 void RTFGenerator::writeStyleSheetFile(QFile &file)
 {
-  QTextStream t(&file);
+  FTextStream t(&file);
   t << "# Generated by doxygen " << versionString << "\n\n";
   t << "# This file describes styles used for generating RTF output.\n";
   t << "# All text after a hash (#) is considered a comment and will be ignored.\n";
@@ -112,7 +112,7 @@ void RTFGenerator::writeStyleSheetFile(QFile &file)
 
 void RTFGenerator::writeExtensionsFile(QFile &file)
 {
-  QTextStream t(&file);
+  FTextStream t(&file);
   t << "# Generated by doxygen " << versionString << "\n\n";
   t << "# This file describes extensions used for generating RTF output.\n";
   t << "# All text after a hash (#) is considered a comment and will be ignored.\n";