diff --git a/bin/mb-setvar b/bin/mb-setvar
index cac4307..a04aefb 100755
--- a/bin/mb-setvar
+++ b/bin/mb-setvar
@@ -22,7 +22,7 @@ search=$(echo $1|cut -d= -f1)
 if [[ $search =~ "bottom_img" ]]; then
 sed -i /^"$search="/d $FILE
 fi
-if grep -Rq $search $FILE
+if grep -Rq $search= $FILE
 then #found
    sed -i s/^"$search=".*$/"$1"/ $FILE
    #sed -i s/^"$search".*$/"$1"/ $FILE