diff --git a/build_macos_native.sh b/build_macos_native.sh
index dc4466d..142c929 100755
--- a/build_macos_native.sh
+++ b/build_macos_native.sh
@@ -30,6 +30,7 @@ mkdir bin
 pushd bin
 mv ../tsMuxer/tsmuxer tsMuxeR
 mv ../tsMuxerGUI/tsMuxerGUI.app .
+cp tsMuxeR tsMuxerGUI.app/Contents/MacOS/
 BZIP2=-9 tar cjf mac.tar.bz2 tsMuxeR tsMuxerGUI.app
 popd
 popd