diff --git a/fonts.js b/fonts.js
index 45fe9c974..fa6da78e7 100644
--- a/fonts.js
+++ b/fonts.js
@@ -2271,7 +2271,7 @@ CFF.prototype = {
     'return': 11,
     'sub': [12, 11],
     'div': [12, 12],
-    'pop': [139, 12, 18],
+    'pop': [140, 12, 18],
     'drop' : [12, 18],
     'endchar': 14,
     'rmoveto': 21,