diff --git a/lib/private/Http/Client/DnsPinMiddleware.php b/lib/private/Http/Client/DnsPinMiddleware.php
index 135ae52f4bd..9e5cfc919f1 100644
--- a/lib/private/Http/Client/DnsPinMiddleware.php
+++ b/lib/private/Http/Client/DnsPinMiddleware.php
@@ -68,7 +68,7 @@ class DnsPinMiddleware {
 			return [];
 		}
 
-		$recursionCount = $recursionCount++;
+		$recursionCount++;
 		$targetIps = [];
 
 		$soaDnsEntry = $this->soaRecord($target);