diff --git a/src/fonts.js b/src/fonts.js
index 6d674479c..a8cab40f2 100644
--- a/src/fonts.js
+++ b/src/fonts.js
@@ -5577,7 +5577,14 @@ var CFFParser = (function CFFParserClosure() {
       }
 
       var fontDict = cff.fdArray[0];
+      // Make the sanitizer happy and remove anything that is only for CID
+      // fonts.
       fontDict.setByKey(17, topDict.getByName('CharStrings'));
+      fontDict.removeByName('CIDFontVersion');
+      fontDict.removeByName('CIDFontRevision');
+      fontDict.removeByName('CIDFontType');
+      fontDict.removeByName('CIDCount');
+      fontDict.removeByName('UIDBase');
       cff.topDict = fontDict;
       cff.isCIDFont = false;
       delete cff.fdArray;
diff --git a/test/pdfs/cid_cff.pdf b/test/pdfs/cid_cff.pdf
new file mode 100644
index 000000000..264410b61
Binary files /dev/null and b/test/pdfs/cid_cff.pdf differ
diff --git a/test/test_manifest.json b/test/test_manifest.json
index e47701a60..353296b9c 100644
--- a/test/test_manifest.json
+++ b/test/test_manifest.json
@@ -769,5 +769,11 @@
       "md5": "9f11e815b485f7f0e1fa5c116c636cf9",
       "rounds": 1,
       "type": "eq"
+    },
+    {  "id": "cid_cff",
+      "file": "pdfs/cid_cff.pdf",
+      "md5": "a19a18eaa626262cc45e0760004d6de9",
+      "rounds": 1,
+      "type": "eq"
     }
 ]