diff --git a/includes/database/prefetch.inc b/includes/database/prefetch.inc
index f378d35559e..4f2b19d1f3d 100644
--- a/includes/database/prefetch.inc
+++ b/includes/database/prefetch.inc
@@ -370,7 +370,7 @@ class DatabaseStatementPrefetch implements Iterator, DatabaseStatementInterface
     }
   }
 
-  public function fetchField($index = 0) {
+  public function fetchColumn($index = 0) {
     if (isset($this->currentRow) && isset($this->columnNames[$index])) {
       // We grab the value directly from $this->data, and format it.
       $return = $this->currentRow[$this->columnNames[$index]];
@@ -382,6 +382,10 @@ class DatabaseStatementPrefetch implements Iterator, DatabaseStatementInterface
     }
   }
 
+  public function fetchField($index = 0) {
+    return $this->fetchColumn($index);
+  }
+
   public function fetchObject($class_name = NULL, $constructor_args = array()) {
     if (isset($this->currentRow)) {
       if (!isset($class_name)) {