diff --git a/src/Illuminate/Cache/RedisStore.php b/src/Illuminate/Cache/RedisStore.php
index 7d11aee529b8..2226c979617e 100755
--- a/src/Illuminate/Cache/RedisStore.php
+++ b/src/Illuminate/Cache/RedisStore.php
@@ -124,11 +124,7 @@ public function putMany(array $values, $minutes)
      */
     public function add($key, $value, $minutes)
     {
-        $lua = "return redis.call('exists',KEYS[1])<1 and redis.call('setex',KEYS[1],ARGV[2],ARGV[1])";
-
-        return (bool) $this->connection()->eval(
-            $lua, 1, $this->prefix.$key, $this->serialize($value), (int) max(1, $minutes * 60)
-        );
+        return (bool) $this->connection()->set($key, $value, 'EX', (int) max(1, $minutes * 60), 'NX');
     }
 
     /**
diff --git a/tests/Cache/RedisCacheIntegrationTest.php b/tests/Cache/RedisCacheIntegrationTest.php
index e0ac96d53fba..786cf6fb8761 100644
--- a/tests/Cache/RedisCacheIntegrationTest.php
+++ b/tests/Cache/RedisCacheIntegrationTest.php
@@ -31,6 +31,7 @@ public function testRedisCacheAddTwice()
         $repository = new Repository($store);
         $this->assertTrue($repository->add('k', 'v', 60));
         $this->assertFalse($repository->add('k', 'v', 60));
+        $this->assertGreaterThan(3500, $this->redis->connection()->ttl('k'));
     }
 
     /**
@@ -42,6 +43,7 @@ public function testRedisCacheAddFalse()
         $repository = new Repository($store);
         $repository->forever('k', false);
         $this->assertFalse($repository->add('k', 'v', 60));
+        $this->assertEquals(-1, $this->redis->connection()->ttl('k'));
     }
 
     /**