diff --git a/scripts/recipe-qa.sh b/scripts/recipe-qa.sh
index cb6db00..6124512 100755
--- a/scripts/recipe-qa.sh
+++ b/scripts/recipe-qa.sh
@@ -9,7 +9,7 @@ function validate_url()
     local recipe=$1
     local url=$2
 
-    local schema=`echo $url | cut -c 1-6`
+    local schema=$(echo $url | cut -c 1-6)
     if [ $schema != "https:" ]; then
         echo "Warning: $url in $recipe is not using SSL."
     fi
@@ -20,12 +20,12 @@ function validate_url()
     fi
 }
 
-for r in `find -name *.inc -o -name *.bb`; do
-    if ! [ -z "`egrep '/usr|/etc' $r`" ]; then
+for r in $(find -name *.inc -o -name *.bb); do
+    if ! [ -z "$(egrep '/usr|/etc' $r)" ]; then
         echo "ERROR: $r uses hard-coded paths."
     fi
 
-    url=`cat $r | grep HOMEPAGE | sed -e 's,HOMEPAGE\s*?=\s*\"\(.*\)\",\1,'`
+    url=$(cat $r | grep HOMEPAGE | sed -e 's,HOMEPAGE\s?\?=\s"\(.*\)",\1,')
     if ! [ -z "$url" ]; then
         validate_url "$r" "$url"
     fi