2 files changed, 2 insertions, 2 deletions
diff --git a/includes/database/sqlite/database.inc b/includes/database/sqlite/database.inc
index 4b7aaa620..476876d3e 100644
--- a/includes/database/sqlite/database.inc
+++ b/includes/database/sqlite/database.inc
@@ -82,7 +82,7 @@ class DatabaseConnection_sqlite extends DatabaseConnection {
   public function sqlFunctionGreatest() {
     $args = func_get_args();
     foreach ($args as $k => $v) {
-      if (is_null($v)) {
+      if (!isset($v)) {
         unset($args);
       }
     }
diff --git a/includes/database/sqlite/query.inc b/includes/database/sqlite/query.inc
index c79da0328..ec2b57a2c 100644
--- a/includes/database/sqlite/query.inc
+++ b/includes/database/sqlite/query.inc
@@ -110,7 +110,7 @@ class UpdateQuery_sqlite extends UpdateQuery {
         $condition->condition($field, $data['expression'], '<>');
         $condition->isNull($field);
       }
-      elseif (is_null($data)) {
+      elseif (!isset($data)) {
         // The field will be set to NULL.
         $condition->isNull($field);
       }