diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8fb1426f..d530157a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,11 @@ All notable changes to this project will be documented in this file.
 ### Minor Changes
 - Added parameter checking to setCookie so as to error out when no URL was passed in
 
+## X.Y.Z
+
+### Minor Changes
+- Added loose mode to the serialized options. Now a serialized cookie jar with loose mode enabled will honor that flag when deserialized.
+
 ## 4.0.0
 
 ### Breaking Changes (Major Version)
diff --git a/lib/cookie.js b/lib/cookie.js
index f7c491e7..dec8b066 100644
--- a/lib/cookie.js
+++ b/lib/cookie.js
@@ -1447,6 +1447,7 @@ class CookieJar {
 
       // CookieJar configuration:
       rejectPublicSuffixes: !!this.rejectPublicSuffixes,
+      enableLooseMode: !!this.enableLooseMode,
 
       // this gets filled from getAllCookies:
       cookies: []
@@ -1615,7 +1616,10 @@ class CookieJar {
       serialized = strOrObj;
     }
 
-    const jar = new CookieJar(store, serialized.rejectPublicSuffixes);
+    const jar = new CookieJar(store, { 
+      rejectPublicSuffixes: serialized.rejectPublicSuffixes,
+      looseMode: serialized.enableLooseMode 
+    });
     jar._importCookies(serialized, err => {
       if (err) {
         return cb(err);
@@ -1627,7 +1631,10 @@ class CookieJar {
   static deserializeSync(strOrObj, store) {
     const serialized =
       typeof strOrObj === "string" ? JSON.parse(strOrObj) : strOrObj;
-    const jar = new CookieJar(store, serialized.rejectPublicSuffixes);
+    const jar = new CookieJar(store, { 
+      rejectPublicSuffixes: serialized.rejectPublicSuffixes,
+      looseMode: serialized.enableLooseMode 
+    });
 
     // catch this mistake early:
     if (!jar.store.synchronous) {
diff --git a/test/cookie_jar_test.js b/test/cookie_jar_test.js
index 8b8af0a5..3155a05c 100644
--- a/test/cookie_jar_test.js
+++ b/test/cookie_jar_test.js
@@ -543,6 +543,19 @@ vows
         assert.strictEqual(cookies[0].key, "");
         assert.strictEqual(cookies[0].value, "FooBar");
       }
+    },
+    "Loose Mode Cloned": {
+      topic: function() {
+        const cj = new CookieJar(null, { looseMode: true });
+        return CookieJar.fromJSON(cj.toJSON());
+      },
+      "parses loose cookies from serialized cookie jar": function(cj) {
+        cj.setCookieSync("FooBar", "http://www.foonet.net", {});
+        const cookies = cj.getCookiesSync("http://www.foonet.net");
+        assert.strictEqual(cookies.length, 1);
+        assert.strictEqual(cookies[0].key, "");
+        assert.strictEqual(cookies[0].value, "FooBar");
+      }
     }
   })
   .addBatch({