diff --git a/src/Cookie.php b/src/Cookie.php
index 7af40ab..5ea280c 100644
--- a/src/Cookie.php
+++ b/src/Cookie.php
@@ -32,7 +32,7 @@ class Cookie {
      * @return  boolean
      */
     public function set(
-        ?string $name,
+        ?string $key,
         ?string $value = null,
         ?int $expires = null,
         ?string $path = null,
@@ -47,9 +47,11 @@ class Cookie {
             return false;
         }
 
+        $key = $this->normalizeKey($key);
+
         $expires = ! $expires ? 0 : time() + (int) $expires;
 
-        $_COOKIE[$name] = $value;
+        $_COOKIE[$key] = $value;
 
         $options = [
             'expires'  => $this->options['expires']  ?? ( $expires ?: 0 ),
@@ -64,7 +66,7 @@ class Cookie {
             $value = sha1($this->secureHash . $value . $this->secureHash) . "|$value";
         }
 
-        return $raw ? setrawcookie($name, $value ?: "", $options) : setcookie($name, $value ?: "", $options);
+        return $raw ? setrawcookie($key, $value ?: "", $options) : setcookie($key, $value ?: "", $options);
     }
 
     /**
@@ -161,6 +163,6 @@ class Cookie {
 
     protected function normalizeKey(string $key) : string
     {
-        return str_replace(['.', ' ',], '_', $key);
+        return str_replace([',', ';', ' ', '='], '_', $key);
     }
 }