diff --git a/includes/common.inc b/includes/common.inc
index f3e95a2fecbcab0ac629ca5662a9f669b2097ca9..7eb689261e2805feea0f238d2af84bd73fbf40cc 100644
--- a/includes/common.inc
+++ b/includes/common.inc
@@ -51,10 +51,12 @@ function drupal_set_content($region = null, $data = null) {
  * @param $delimiter
  *   Content to be inserted between exploded array elements.
  */
-function drupal_get_content($region = null, $delimiter = ' ') {
+function drupal_get_content($region = NULL, $delimiter = ' ') {
   $content = drupal_set_content();
-  if (isset($region) && isset($content[$region]) && is_array($content[$region])) {
+  if (isset($region)) {
+    if (isset($content[$region]) && is_array($content[$region])) {
       return implode ($delimiter, $content[$region]);
+    }
   }
   else {
     foreach (array_keys($content) as $region) {