diff --git a/Tusker/HTMLConverter.swift b/Tusker/HTMLConverter.swift
index dc0c76d2..9cc2a28d 100644
--- a/Tusker/HTMLConverter.swift
+++ b/Tusker/HTMLConverter.swift
@@ -134,6 +134,8 @@ struct HTMLConverter {
             }
             
             return attributed
+        case is DataNode:
+            return NSAttributedString()
         default:
             fatalError("Unexpected node type \(type(of: node))")
         }