diff --git a/doc/push_github b/doc/push_github
index 5a7f60a1..9b3db2df 100755
--- a/doc/push_github
+++ b/doc/push_github
@@ -38,8 +38,8 @@ rm -rf ./*
 cp -r /tmp/scikits.image.docs/* .
 
 # github doesn't like directories starting with "_"
-sed -i "" 's/_static/static/g' `find . -name "*.html"`
-sed -i "" 's/_images/images/g' `find . -name "*.html"`
+sed -i 's/_static/static/g' `find . -name "*.html"`
+sed -i 's/_images/images/g' `find . -name "*.html"`
 mv _static static
 mv _images images
 for f in `find . | grep "./" | grep -v ".git"`; do