diff --git a/includes/FeedsSource.inc b/includes/FeedsSource.inc
index 0fcf9e8..75b6729 100644
--- a/includes/FeedsSource.inc
+++ b/includes/FeedsSource.inc
@@ -689,19 +689,36 @@ class FeedsSource extends FeedsConfigurable {
    *   - message: If set, time and method should be ignored.
    */
   public function getNextImportTimeDetails() {
-    // Check queue.
-    $queue_created = db_select('queue')
-      ->fields('queue', array('created'))
-      ->condition('name', 'feeds_source_import')
-      ->condition('data', 's:4:"type";s:[0-9]*:"' . db_like($this->id) . '";s:2:"id";(i|s:[0-9]*):"?' . db_like($this->feed_nid) . '"?', 'REGEXP')
-      ->execute()
-      ->fetchField();
+    // Get database type to determine how to form the regex query.
+    $db_type = Database::getConnection()->databaseType();
+    switch ($db_type) {
+      case 'pgsql':
+        $regex_operator = 'SIMILAR TO';
+        break;
+
+      default:
+        $regex_operator = 'REGEXP';
+        break;
+    }
 
-    if ($queue_created) {
-      return array(
-        'time' => $queue_created,
-        'method' => t('Queue'),
-      );
+    // Check queue.
+    try {
+      $queue_created = db_select('queue')
+        ->fields('queue', array('created'))
+        ->condition('name', 'feeds_source_import')
+        ->condition('data', 's:4:"type";s:[0-9]*:"' . db_like($this->id) . '";s:2:"id";(i|s:[0-9]*):"?' . db_like($this->feed_nid) . '"?', $regex_operator)
+        ->execute()
+        ->fetchField();
+
+      if ($queue_created) {
+        return array(
+          'time' => $queue_created,
+          'method' => t('Queue'),
+        );
+      }
+    }
+    catch (PDOException $e) {
+      // Database type probably cannot handle regex based conditions.
     }
 
     // Check if the importer is in the process of being rescheduled.