diff --git a/pdf.js b/pdf.js
index a421bf961..1e9c03915 100644
--- a/pdf.js
+++ b/pdf.js
@@ -2947,7 +2947,7 @@ var Parser = (function parserParser() {
       } else if (name == 'CCITTFaxDecode' || name == 'CCF') {
         return new CCITTFaxStream(stream, params);
       } else {
-        error('filter "' + name + '" not supported yet');
+        TODO('filter "' + name + '" not supported yet');
       }
       return stream;
     }