diff --git a/src/Driver/RedisDriver.php b/src/Driver/RedisDriver.php
index dd71403..f5cffdc 100644
--- a/src/Driver/RedisDriver.php
+++ b/src/Driver/RedisDriver.php
@@ -63,7 +63,7 @@ public function push(JobInterface $job, int $delay = 0): bool
             return (bool) $this->redis->lPush($this->channel->getWaiting(), $data);
         }
 
-        return $this->redis->zAdd($this->channel->getDelayed(), time() + $delay, $data) > 0;
+        return (bool) $this->redis->zAdd($this->channel->getDelayed(), time() + $delay, $data);
     }
 
     public function delete(JobInterface $job): bool
@@ -152,7 +152,7 @@ protected function retry(MessageInterface $message): bool
 
         $delay = time() + $this->getRetrySeconds($message->getAttempts());
 
-        return $this->redis->zAdd($this->channel->getDelayed(), $delay, $data) > 0;
+        return (bool) $this->redis->zAdd($this->channel->getDelayed(), $delay, $data);
     }
 
     protected function getRetrySeconds(int $attempts): int
@@ -173,7 +173,7 @@ protected function getRetrySeconds(int $attempts): int
      */
     protected function remove(mixed $data): bool
     {
-        return $this->redis->zrem($this->channel->getReserved(), (string) $data) > 0;
+        return (bool) $this->redis->zrem($this->channel->getReserved(), (string) $data);
     }
 
     /**
@@ -185,7 +185,7 @@ protected function move(string $from, string $to): void
         $options = ['LIMIT' => [0, 100]];
         if ($expired = $this->redis->zrevrangebyscore($from, (string) $now, '-inf', $options)) {
             foreach ($expired as $job) {
-                if ($this->redis->zRem($from, $job) > 0) {
+                if ($this->redis->zRem($from, $job)) {
                     $this->redis->lPush($to, $job);
                 }
             }