diff --git a/src/LimitStream.php b/src/LimitStream.php
index 57eeca9d..9df22b31 100644
--- a/src/LimitStream.php
+++ b/src/LimitStream.php
@@ -71,7 +71,7 @@ public function seek($offset, $whence = SEEK_SET)
     {
         if ($whence !== SEEK_SET || $offset < 0) {
             throw new \RuntimeException(sprintf(
-                'Cannot seek to offset % with whence %s',
+                'Cannot seek to offset %d with whence %s',
                 $offset,
                 $whence
             ));