diff --git a/src/userchange.php b/src/userchange.php
index 935c6b1..26812ed 100644
--- a/src/userchange.php
+++ b/src/userchange.php
@@ -80,7 +80,7 @@ if ( isset($_GET['op']) )
 		else
 		{
 			// DEBUG
-			echo "DEBUG: " . $_SESSION['currentSourceID'] . " - $newViewID";
+			echo "DEBUG: " . $_SESSION['currentSourceID'] . " - " . htmlspecialchars($newViewID);
 			exit;
 		}
 	}