diff --git a/lib/font/embedded.js b/lib/font/embedded.js
index 7b9a97f..fe26154 100644
--- a/lib/font/embedded.js
+++ b/lib/font/embedded.js
@@ -152,9 +152,9 @@ class EmbeddedFont extends PDFFont {
       flags |= 1 << 6;
     }
 
-    // generate a tag (6 uppercase letters. 16 is the char code offset from '1' to 'A'. 74 will map to 'Z')
+    // generate a tag (6 uppercase letters. 17 is the char code offset from '0' to 'A'. 73 will map to 'Z')
     const tag = [1, 2, 3, 4, 5, 6]
-      .map(i => String.fromCharCode((this.id.charCodeAt(i) || 74) + 16))
+      .map(i => String.fromCharCode((this.id.charCodeAt(i) || 73) + 17))
       .join('');
     const name = tag + '+' + this.font.postscriptName;
 
diff --git a/tests/unit/font.spec.js b/tests/unit/font.spec.js
index f8cc94d..6724155 100644
--- a/tests/unit/font.spec.js
+++ b/tests/unit/font.spec.js
@@ -49,7 +49,7 @@ describe('EmbeddedFont', () => {
       font.dictionary = dictionary;
       font.embed();
 
-      expect(dictionary.data.BaseFont).toBe('A@IIZZ+Roboto-Regular');
+      expect(dictionary.data.BaseFont).toBe('BAJJZZ+Roboto-Regular');
     });
   });
 });