diff --git a/wxPython/distrib/makedemo b/wxPython/distrib/makedemo
index bf340d4335..4cc6c737da 100755
--- a/wxPython/distrib/makedemo
+++ b/wxPython/distrib/makedemo
@@ -23,13 +23,15 @@ rm -f `find  _distrib_tgz/wxPython-$1 -name "*.pyc"`
 rm -f `find  _distrib_tgz/wxPython-$1 -name .cvsignore`
 rm -f `find  _distrib_tgz/wxPython-$1 -name core`
 rm -f `find  _distrib_tgz/wxPython-$1 -name wxPython`
-rm -f `find  _distrib_tgz/wxPython-$1 -name *.o`
-rm -f `find  _distrib_tgz/wxPython-$1 -name *.so`
+rm -f `find  _distrib_tgz/wxPython-$1 -name "*.o"`
+rm -f `find  _distrib_tgz/wxPython-$1 -name "*.so"`
+rm -f `find  _distrib_tgz/wxPython-$1 -name "*~"`
+rm -f `find  _distrib_tgz/wxPython-$1 -name ".#*"`
 
 cd _distrib_tgz
 
 tar cvf ../dist/wxPythonDemo-$1.tar wxPython-$1
-gzip ../dist/wxPythonDemo-$1.tar
+gzip -9 ../dist/wxPythonDemo-$1.tar
 
 cd ..
 rm -r _distrib_tgz