diff --git a/fonts.js b/fonts.js
index 6afb47557..b985e48a5 100755
--- a/fonts.js
+++ b/fonts.js
@@ -789,7 +789,7 @@ var Font = (function Font() {
     encoding: null,
 
     checkAndRepair: function font_checkAndRepair(name, font, properties) {
-      var kCmapGlyphOffset = 0xFF;
+      var kCmapGlyphOffset = 0xE000; //offset glpyhs to the Unicode Private Use Area
 
       function readTableEntry(file) {
         // tag