diff --git a/lib/Doctrine/ORM/AbstractQuery.php b/lib/Doctrine/ORM/AbstractQuery.php
index 614ed8512..d5759e61b 100644
--- a/lib/Doctrine/ORM/AbstractQuery.php
+++ b/lib/Doctrine/ORM/AbstractQuery.php
@@ -762,7 +762,7 @@ abstract class AbstractQuery
     {
         $parameters = array();
 
-        foreach ($this->getParameters()->getIterator() as $parameter) {
+        foreach ($this->getParameters() as $parameter) {
             $parameters[$parameter->getName()] = $this->processParameterValue($parameter->getValue());
         }
 
diff --git a/lib/Doctrine/ORM/NativeQuery.php b/lib/Doctrine/ORM/NativeQuery.php
index 72232f241..1b9b02229 100644
--- a/lib/Doctrine/ORM/NativeQuery.php
+++ b/lib/Doctrine/ORM/NativeQuery.php
@@ -61,7 +61,7 @@ final class NativeQuery extends AbstractQuery
         $parameters = array();
         $types      = array();
 
-        foreach ($this->getParameters()->getIterator() as $parameter) {
+        foreach ($this->getParameters() as $parameter) {
             $name  = $parameter->getName();
             $value = $this->processParameterValue($parameter->getValue());
             $type  = ($parameter->getValue() === $value)
diff --git a/lib/Doctrine/ORM/Query.php b/lib/Doctrine/ORM/Query.php
index 5ff7f96eb..0255fc06b 100644
--- a/lib/Doctrine/ORM/Query.php
+++ b/lib/Doctrine/ORM/Query.php
@@ -275,7 +275,7 @@ final class Query extends AbstractQuery
         $sqlParams = array();
         $types     = array();
 
-        foreach ($this->parameters->getIterator() as $parameter) {
+        foreach ($this->parameters as $parameter) {
             $key = $parameter->getName();
 
             if ( ! isset($paramMappings[$key])) {