diff --git a/code/reports/SideReport.php b/code/reports/SideReport.php
index 7202f133..4c284942 100644
--- a/code/reports/SideReport.php
+++ b/code/reports/SideReport.php
@@ -86,7 +86,7 @@ class SideReportView extends ViewableData {
 		
 		$classClause = "";
 		if(isset($info['title'])) {
-			$cssClass = ereg_replace('[^A-Za-z0-9]+','',$info['title']);
+			$cssClass = preg_replace('/[^A-Za-z0-9]+/', '', $info['title']);
 			$classClause = "class=\"$cssClass\"";
 		}
 		
diff --git a/code/widgets/Widget.php b/code/widgets/Widget.php
index 8b174ea3..0a234348 100644
--- a/code/widgets/Widget.php
+++ b/code/widgets/Widget.php
@@ -94,8 +94,8 @@ class Widget extends DataObject {
 			$name = $field->Name();
 			$field->setValue($this->getField($name));
 			$renderedField = $field->FieldHolder();
-			$renderedField = ereg_replace("name=\"([A-Za-z0-9\-_]+)\"", "name=\"Widget[" . $this->ID . "][\\1]\"", $renderedField);
-			$renderedField = ereg_replace("id=\"([A-Za-z0-9\-_]+)\"", "id=\"Widget[" . $this->ID . "][\\1]\"", $renderedField);
+			$renderedField = preg_replace("/name=\"([A-Za-z0-9\-_]+)\"/", "name=\"Widget[" . $this->ID . "][\\1]\"", $renderedField);
+			$renderedField = preg_replace("/id=\"([A-Za-z0-9\-_]+)\"/", "id=\"Widget[" . $this->ID . "][\\1]\"", $renderedField);
 			$output .= $renderedField;
 		}
 		return $output;