diff --git a/src/output/plugins/httpd/HttpdClient.cxx b/src/output/plugins/httpd/HttpdClient.cxx
index 205689462..db602b955 100644
--- a/src/output/plugins/httpd/HttpdClient.cxx
+++ b/src/output/plugins/httpd/HttpdClient.cxx
@@ -428,6 +428,7 @@ void
 HttpdClient::OnSocketError(std::exception_ptr ep) noexcept
 {
 	LogError(ep);
+	LockClose();
 }
 
 void