diff --git a/src/freedombone b/src/freedombone
index 8d72a263..7e12dd0e 100755
--- a/src/freedombone
+++ b/src/freedombone
@@ -8627,7 +8627,7 @@ function install_gnu_social_theme {
     # download a custom background image
     if [ $MICROBLOG_BACKGROUND_IMAGE_URL ]; then
         MICROBLOG_BACKGROUND_IMAGE_URL_EXT=$(echo $MICROBLOG_BACKGROUND_IMAGE_URL | awk -F '.' '{print $2}')
-        wget $MICROBLOG_BACKGROUND_IMAGE_URL -o img/custom.${MICROBLOG_BACKGROUND_IMAGE_URL_EXT}
+        wget $MICROBLOG_BACKGROUND_IMAGE_URL -O img/custom.${MICROBLOG_BACKGROUND_IMAGE_URL_EXT}
         if [ ! -f img/custom.${MICROBLOG_BACKGROUND_IMAGE_URL_EXT} ]; then
             echo "$MICROBLOG_BACKGROUND_IMAGE_URL"
             echo $'Custom background image for microblog could not be downloaded'