diff --git a/src/core/cff_parser.js b/src/core/cff_parser.js
index e61ff1b91..fd8299fdf 100644
--- a/src/core/cff_parser.js
+++ b/src/core/cff_parser.js
@@ -803,7 +803,7 @@ var CFFParser = (function CFFParserClosure() {
       var bytes = this.bytes;
       var start = pos;
       var format = bytes[pos++];
-      var charset = [".notdef"];
+      const charset = [cid ? 0 : ".notdef"];
       var id, count, i;
 
       // subtract 1 for the .notdef glyph
diff --git a/test/pdfs/.gitignore b/test/pdfs/.gitignore
index 93b088f00..648de4c34 100644
--- a/test/pdfs/.gitignore
+++ b/test/pdfs/.gitignore
@@ -254,6 +254,7 @@
 !bug903856.pdf
 !bug850854.pdf
 !bug866395.pdf
+!issue11718_reduced.pdf
 !bug1027533.pdf
 !bug1028735.pdf
 !bug1046314.pdf
diff --git a/test/pdfs/issue11718_reduced.pdf b/test/pdfs/issue11718_reduced.pdf
new file mode 100644
index 000000000..94c602b2b
Binary files /dev/null and b/test/pdfs/issue11718_reduced.pdf differ
diff --git a/test/test_manifest.json b/test/test_manifest.json
index e2c374065..9429ca6f9 100644
--- a/test/test_manifest.json
+++ b/test/test_manifest.json
@@ -3339,6 +3339,12 @@
        "rounds": 1,
        "type": "eq"
     },
+    {  "id": "issue11718",
+       "file": "pdfs/issue11718_reduced.pdf",
+       "md5": "a0deea064b4171bb8ea9f6e8a523e594",
+       "rounds": 1,
+       "type": "eq"
+    },
     {  "id": "issue3061",
       "file": "pdfs/issue3061.pdf",
       "md5": "696a7cb1b194d095ca3f7861779a606b",
diff --git a/test/unit/cff_parser_spec.js b/test/unit/cff_parser_spec.js
index e3da8f6b7..25074ee72 100644
--- a/test/unit/cff_parser_spec.js
+++ b/test/unit/cff_parser_spec.js
@@ -268,7 +268,7 @@ describe("CFFParser", function() {
 
     // CID font
     charset = parser.parseCharsets(3, 2, new CFFStrings(), true);
-    expect(charset.charset).toEqual([".notdef", 8, 9]);
+    expect(charset.charset).toEqual([0, 8, 9]);
   });
 
   it("parses charset format 2", function() {
@@ -286,7 +286,7 @@ describe("CFFParser", function() {
 
     // CID font
     charset = parser.parseCharsets(3, 2, new CFFStrings(), true);
-    expect(charset.charset).toEqual([".notdef", 8, 9]);
+    expect(charset.charset).toEqual([0, 8, 9]);
   });
 
   it("parses encoding format 0", function() {