diff --git a/core/Version.php b/core/Version.php
index f6eac673203b4c0a19b472d3eb7a6be36241dfcc..f2198426c551505fa5b0a15c9c216934fd5ebd7e 100644
--- a/core/Version.php
+++ b/core/Version.php
@@ -21,5 +21,5 @@ final class Piwik_Version
 	 * Current Piwik version
 	 * @var string
 	 */
-	const VERSION = '1.8-rc5';
+	const VERSION = '1.8-rc6';
 }
diff --git a/plugins/ImageGraph/API.php b/plugins/ImageGraph/API.php
index 8a02667fcd0088f45015af0590815a67bf0c497a..e7be4cb61843ed941b2acef718728ec30b84aff0 100644
--- a/plugins/ImageGraph/API.php
+++ b/plugins/ImageGraph/API.php
@@ -97,7 +97,7 @@ class Piwik_ImageGraph_API
 	public function get($idSite, $period, $date, $apiModule, $apiAction, $graphType = false,
 						$outputType = Piwik_ImageGraph_API::GRAPH_OUTPUT_INLINE, $column = false, $showMetricTitle = true,
 						$width = false, $height = false, $fontSize = Piwik_ImageGraph_API::DEFAULT_FONT_SIZE, $aliasedGraph = true,
-						$colors = false)
+						$idGoal = false, $colors = false)
 	{
 		Piwik::checkUserHasViewAccess($idSite);
 
@@ -257,10 +257,9 @@ class Piwik_ImageGraph_API
 				$apiAction,
 				$segment = false,
 				$apiParameters = false, 
-				$idGoal = false, 
+				$idGoal, 
 				$languageLoaded
 			);
-
 			// prepare abscissa and ordinate series
 			$abscissaSerie = array();
 			$ordinateSerie = array();
@@ -381,9 +380,6 @@ class Piwik_ImageGraph_API
 		switch($outputType)
 		{
 			case self::GRAPH_OUTPUT_FILE:
-
-				// adding the idGoal to the filename
-				$idGoal = Piwik_Common::getRequestVar('idGoal', '', 'string');
 				if($idGoal != '')
 				{
 					$idGoal = '_' . $idGoal;