diff --git a/lib/Doctrine/Adapter/Statement/Interface.php b/lib/Doctrine/Adapter/Statement/Interface.php
index 3af9c69f3..ee692e6fd 100644
--- a/lib/Doctrine/Adapter/Statement/Interface.php
+++ b/lib/Doctrine/Adapter/Statement/Interface.php
@@ -85,7 +85,7 @@ interface Doctrine_Adapter_Statement_Interface
      * @param mixed $driverOptions
      * @return boolean              Returns TRUE on success or FALSE on failure.
      */
-    public function bindParam($column, $variable, $type = null, $length = null, $driverOptions = array());
+    public function bindParam($column, &$variable, $type = null, $length = null, $driverOptions = array());
     /**
      * closeCursor
      * Closes the cursor, enabling the statement to be executed again.
diff --git a/lib/Doctrine/Adapter/Statement/Mock.php b/lib/Doctrine/Adapter/Statement/Mock.php
index 7e67d5f10..ea4c441c6 100644
--- a/lib/Doctrine/Adapter/Statement/Mock.php
+++ b/lib/Doctrine/Adapter/Statement/Mock.php
@@ -100,7 +100,7 @@ class Doctrine_Adapter_Statement_Mock implements Doctrine_Adapter_Statement_Inte
      * @param mixed $driverOptions
      * @return boolean              Returns TRUE on success or FALSE on failure.
      */
-    public function bindParam($column, $variable, $type = null, $length = null, $driverOptions = array())
+    public function bindParam($column, &$variable, $type = null, $length = null, $driverOptions = array())
     {
         
     }
diff --git a/lib/Doctrine/Connection/Statement.php b/lib/Doctrine/Connection/Statement.php
index 425ca349f..d4bc4bc0c 100644
--- a/lib/Doctrine/Connection/Statement.php
+++ b/lib/Doctrine/Connection/Statement.php
@@ -144,7 +144,7 @@ class Doctrine_Connection_Statement implements Doctrine_Adapter_Statement_Interf
      * @param mixed $driverOptions
      * @return boolean              Returns TRUE on success or FALSE on failure.
      */
-    public function bindParam($column, $variable, $type = null, $length = null, $driverOptions = array())
+    public function bindParam($column, &$variable, $type = null, $length = null, $driverOptions = array())
     {
         if ($type === null) {
             return $this->_stmt->bindParam($column, $variable);
@@ -435,4 +435,4 @@ class Doctrine_Connection_Statement implements Doctrine_Adapter_Statement_Interf
     {
         return $this->_stmt->setFetchMode($mode, $arg1, $arg2);
     }
-}
\ No newline at end of file
+}