diff --git a/lib/filters/index.js b/lib/filters/index.js
index feb0717..e44e305 100644
--- a/lib/filters/index.js
+++ b/lib/filters/index.js
@@ -171,9 +171,21 @@ function cloneFilter(input) {
   }
 }
 
+function escapedToHex(str) {
+  return str.replace(/\\([0-9a-f][^0-9a-f]|[0-9a-f]$|[^0-9a-f]|$)/gi, function (match, p1) {
+    if (!p1) {
+      return '\\5c';
+    }
+
+    const hexCode = p1.charCodeAt(0).toString(16);
+    const rest = p1.substring(1);
+    return '\\' + hexCode + rest;
+  });
+}
 
 function parseString(str) {
-  var generic = parents.parse(str);
+  const hexStr = escapedToHex(str);
+  const generic = parents.parse(hexStr);
   // The filter object(s) return from ldap-filter.parse lack the toBer/parse
   // decoration that native ldapjs filter possess.  cloneFilter adds that back.
   return cloneFilter(generic);
diff --git a/package.json b/package.json
index 272fde9..c178164 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,7 @@
     "asn1": "0.2.3",
     "assert-plus": "^1.0.0",
     "backoff": "^2.5.0",
-    "ldap-filter": "^0.2.2",
+    "ldap-filter": "^0.3.3",
     "dashdash": "^1.14.0",
     "once": "^1.4.0",
     "vasync": "^1.6.4",
diff --git a/test/filters/parse.test.js b/test/filters/parse.test.js
index d564c07..d02ec30 100644
--- a/test/filters/parse.test.js
+++ b/test/filters/parse.test.js
@@ -52,28 +52,6 @@ test(') in filter', function (t) {
 });
 
 
-test('( in filter', function (t) {
-  var str = 'foo(bar=baz\\()';
-  var f = parse(str);
-  t.ok(f);
-  t.equal(f.attribute, 'foo(bar');
-  t.equal(f.value, 'baz()');
-  t.equal(f.toString(), '(foo\\28bar=baz\\28\\29)');
-  t.end();
-});
-
-
-test('( in filter', function (t) {
-  var str = 'foo)(&(bar=baz)(';
-  var f = parse(str);
-  t.ok(f);
-  t.equal(f.attribute, 'foo)(&(bar');
-  t.equal(f.value, 'baz)(');
-  t.equal(f.toString(), '(foo\\29\\28&\\28bar=baz\\29\\28)');
-  t.end();
-});
-
-
 test('\\ in filter', function (t) {
   var str = '(foo=bar\\\\)';
   var f = parse(str);