diff --git a/src/Illuminate/Cache/Repository.php b/src/Illuminate/Cache/Repository.php
index cf2fda09eb73..c7934c034b94 100755
--- a/src/Illuminate/Cache/Repository.php
+++ b/src/Illuminate/Cache/Repository.php
@@ -529,7 +529,7 @@ protected function getSeconds($ttl)
             $duration = Carbon::now()->diffInRealSeconds($duration, false);
         }
 
-        return (int) $duration > 0 ? $duration : 0;
+        return (int) ($duration > 0 ? $duration : 0);
     }
 
     /**