diff --git a/lib/superfox/sfox_tx.f90 b/lib/superfox/sfox_tx.f90
index 4f7c0ed90..11e4d6d38 100644
--- a/lib/superfox/sfox_tx.f90
+++ b/lib/superfox/sfox_tx.f90
@@ -1,7 +1,6 @@
 program sfox_tx
 
-! Functioins of this program are required in order to create a SuperFox
-! transmission.
+! This program is required in order to create a SuperFox transmission.
 
 ! The present version goes through the following steps:
 !   1. Read old-style Fox messages from file 'sfox_1.dat' in the WSJT-X 
@@ -10,7 +9,7 @@ program sfox_tx
 !      calls, and the report or RR73 to be sent to each Hound.
 !   3. Assemble and encode a single SuperFox message to produce itone(1:151),
 !      the array of channel symbol values.
-!   4. Write the contents of itone to file 'sfox_2.dat'.
+!   4. Write the contents of array itone to file 'sfox_2.dat'.
 
   character*120 fname                          !Full path for sfox.dat
   character*120 line                           !List of SuperFox message pieces
diff --git a/widgets/mainwindow.cpp b/widgets/mainwindow.cpp
index c62d0dd93..56fb88500 100644
--- a/widgets/mainwindow.cpp
+++ b/widgets/mainwindow.cpp
@@ -10887,6 +10887,7 @@ void MainWindow::sfox_tx()
   auto fname {QDir::toNativeSeparators(m_config.writeable_data_dir().absoluteFilePath("sfox_1.dat")).toLocal8Bit()};
   p2.start("sfox_tx", QStringList {fname});
   p2.waitForFinished();
-  sfox_wave_(fname.constData(), (FCL)fname.size());
+  auto fname2 {QDir::toNativeSeparators(m_config.writeable_data_dir().absoluteFilePath("sfox_2.dat")).toLocal8Bit()};
+  sfox_wave_(fname2.constData(), (FCL)fname2.size());
 //  qDebug() << "cc" << QDateTime::currentMSecsSinceEpoch() - ms0;
 }