diff --git a/src/modules/processing/cookie/cookie.js b/src/modules/processing/cookie/cookie.js
index 996ab7c7..6dd95fc3 100644
--- a/src/modules/processing/cookie/cookie.js
+++ b/src/modules/processing/cookie/cookie.js
@@ -20,13 +20,13 @@ export default class Cookie {
         str.split('; ').forEach(cookie => {
             const key = cookie.split('=')[0];
             const value = cookie.split('=').splice(1).join('=');
-            obj[key] = decodeURIComponent(value)
+            obj[key] = value
         })
 
         return new Cookie(obj)
     }
     toString() {
-        return Object.entries(this._values).map(([ name, value ]) => `${name}=${encodeURIComponent(value)}`).join('; ')
+        return Object.entries(this._values).map(([ name, value ]) => `${name}=${value}`).join('; ')
     }
     toJSON() {
         return this.toString()
diff --git a/src/modules/processing/cookie/manager.js b/src/modules/processing/cookie/manager.js
index 4efb0b45..b9feedc1 100644
--- a/src/modules/processing/cookie/manager.js
+++ b/src/modules/processing/cookie/manager.js
@@ -49,8 +49,10 @@ export function getCookie(service) {
 export function updateCookie(cookie, headers) {
     if (!cookie) return;
 
-    const parsed = parseSetCookie(splitCookiesString(headers.get('set-cookie'))),
-          values = {}
+    const parsed = parseSetCookie(
+        splitCookiesString(headers.get('set-cookie')),
+        { decodeValues: false }
+    ), values = {}
 
     cookie.unset(parsed.filter(c => c.expires < new Date()).map(c => c.name));
     parsed.filter(c => c.expires > new Date()).forEach(c => values[c.name] = c.value);