diff --git a/dev/TaskRunner.php b/dev/TaskRunner.php
index 0d5df55c4..99435838c 100644
--- a/dev/TaskRunner.php
+++ b/dev/TaskRunner.php
@@ -86,7 +86,7 @@ class TaskRunner extends Controller {
 			}
 		}
 
-		$message(sprintf('The build task "%s" could not be found', $name));
+		$message(sprintf('The build task "%s" could not be found', Convert::raw2xml($name)));
 	}
 
 	/**