diff --git a/src/ExponentialBackOffStrategy.php b/src/ExponentialBackOffStrategy.php
index c7652f3..2a30342 100644
--- a/src/ExponentialBackOffStrategy.php
+++ b/src/ExponentialBackOffStrategy.php
@@ -50,6 +50,9 @@ public function backOff(int $tries, Throwable $throwable): void
         }
 
         $delay = (int) ($this->initialDelayMs * $this->base ** ($tries - 1));
+        if($delay < 0){
+            $delay = $this->maxDelay;
+        }
         $delay = min($this->maxDelay, $delay);
         $delay = $this->jitter->jitter($delay);
 
diff --git a/src/ExponentialBackOffStrategyTest.php b/src/ExponentialBackOffStrategyTest.php
index 5ee82a8..9a32d29 100644
--- a/src/ExponentialBackOffStrategyTest.php
+++ b/src/ExponentialBackOffStrategyTest.php
@@ -148,4 +148,13 @@ public function it_does_not_throw_an_exception_when_max_tries_is_infinite(): voi
 
         $backoff->backOff(PHP_INT_MAX, $exception);
     }
+
+    /** @test */
+    public function it_does_not_throw_exception_when_sleep_time_overflows_and_instead_respects_the_max_sleep_time()
+    {
+        $backoff = new ExponentialBackOffStrategy(50, 10000, 5000, 2.0, $this->sleeper);
+        $backoff->backOff(60, new RuntimeException('oops'));
+
+        self::assertEquals(5000, $this->recordedSleep);
+    }
 }