diff --git a/src/core.js b/src/core.js
index 785654cdb..91bdd1133 100644
--- a/src/core.js
+++ b/src/core.js
@@ -354,8 +354,8 @@ var PDFDocument = (function PDFDocumentClosure() {
             throw err;
           }
 
-          warn('The linearization data is not available ' +
-               'or unreadable pdf data is found');
+          info('The linearization data is not available ' +
+               'or unreadable PDF data is found');
           linearization = false;
         }
       }