diff --git a/lib/saxes.js b/lib/saxes.js
index 9276963c..d3891909 100644
--- a/lib/saxes.js
+++ b/lib/saxes.js
@@ -3,7 +3,8 @@
 const {
   isS, isChar: isChar10, isNameStartChar, isNameChar, S_LIST, NAME_RE,
 } = require("xmlchars/xml/1.0/ed5");
-const { isChar: isChar11, isRestrictedChar } = require("xmlchars/xml/1.1/ed2");
+const { isChar: isChar11, isCharAndNotRestricted } =
+      require("xmlchars/xml/1.1/ed2");
 const { isNCNameStartChar, isNCNameChar, NC_NAME_RE } =
       require("xmlchars/xmlns/1.0/ed3");
 
@@ -707,7 +708,7 @@ class SaxesParser {
 
       // In XML 1.1 the character we read must satisfy the Char production but
       // not the RestrictedChar production.
-      if (!isChar11(code) || isRestrictedChar(code)) {
+      if (!isCharAndNotRestricted(code)) {
         this.fail("disallowed character.");
       }
     }
diff --git a/package-lock.json b/package-lock.json
index d95d697a..712dbc5b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1513,7 +1513,7 @@
         },
         "load-json-file": {
           "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/load-json-file/-/load-json-file-2.0.0.tgz",
+          "resolved": "http://registry.npmjs.org/load-json-file/-/load-json-file-2.0.0.tgz",
           "integrity": "sha1-eUfkIUmvgNaWy/eXvKq8/h/inKg=",
           "dev": true,
           "requires": {