diff --git a/src/Connection.php b/src/Connection.php
index d562ab6a..538080e9 100644
--- a/src/Connection.php
+++ b/src/Connection.php
@@ -50,9 +50,11 @@ public function expunge(): bool
 
     public function close(int $flag = 0): bool
     {
+        $stream = $this->resource->getStream();
+
         $this->resource->clearLastMailboxUsedCache();
 
-        return \imap_close($this->resource->getStream(), $flag);
+        return \imap_close($stream, $flag);
     }
 
     public function getQuota(string $root = 'INBOX'): array