diff --git a/src/freedombone-utils-gnusocialtools b/src/freedombone-utils-gnusocialtools
index 24539777..aa9b6b5e 100755
--- a/src/freedombone-utils-gnusocialtools
+++ b/src/freedombone-utils-gnusocialtools
@@ -41,13 +41,13 @@ function pleroma_set_background_image_from_url {
 
     ext=
     if [ ${#url} -gt 0 ]; then
-        if [[ $url == *".jpeg" || $url == *".jpg" ]]; then
+        if [[ "$url" == *".jpeg" || "$url" == *".jpg" ]]; then
             ext="jpg"
         fi
-        if [[ $url == *".png" ]]; then
+        if [[ "$url" == *".png" ]]; then
             ext="png"
         fi
-        if [[ $url == *".gif" ]]; then
+        if [[ "$url" == *".gif" ]]; then
             ext="gif"
         fi
     fi
@@ -62,7 +62,7 @@ function pleroma_set_background_image_from_url {
             fi
 
             # get the new image
-            wget $url -O bg_custom.${ext}
+            wget "$url" -O bg_custom.${ext}
             if [ ! -f bg_custom.${ext} ]; then
                 echo "$url"
                 echo $'Custom background image for pleroma could not be downloaded'