diff --git a/tcpdf.inc.php b/tcpdf.inc.php
index 700368f..be7f466 100644
--- a/tcpdf.inc.php
+++ b/tcpdf.inc.php
@@ -58,7 +58,7 @@ class pdf extends TCPDF {
 		 * PDFs use JPG internally, so we should feed it a jpeg, if we dont', tcpdf will
 		 * convert it to a jpg anyway, and that takes FOREVER if there's lots of 
 		 * pages/labels.*/
-		$this->SetHeaderData($conference['id'] . '-logo-500.jpg', 16 /* mm */, 
+		$this->SetHeaderData($conference['id'] . '-logo-500.png', 16 /* mm */, 
 				i18n($conference['name']),	i18n($report_name));
 
 		// set header and footer fonts
@@ -400,7 +400,7 @@ class pdf extends TCPDF {
 		global $config;
 		$img_dir = $_SERVER['DOCUMENT_ROOT'].$config['SFIABDIRECTORY'].'/data';
 		/* Scale image to proportinally fit in w x h */
-		$this->Image("$img_dir/logo.jpg", $this->lMargin + $x, $this->tMargin + $y,
+		$this->Image($img_dir."/".$conference['id']."-logo-500.png", $this->lMargin + $x, $this->tMargin + $y,
 				$w, $h, '', '', '', true,
 				300, '', false, false, $show_box ? 1 : 0, true);
 	}