diff --git a/esphome/components/captive_portal/captive_portal.h b/esphome/components/captive_portal/captive_portal.h
index 026645ee29..94db7fef50 100644
--- a/esphome/components/captive_portal/captive_portal.h
+++ b/esphome/components/captive_portal/captive_portal.h
@@ -21,10 +21,11 @@ class CaptivePortal : public AsyncWebHandler, public Component {
   void dump_config() override;
 #ifdef USE_ARDUINO
   void loop() override {
-    if (this->dns_server_ != nullptr)
+    if (this->dns_server_ != nullptr) {
       this->dns_server_->processNextRequest();
-    else
+    } else {
       this->disable_loop();
+    }
   }
 #endif
   float get_setup_priority() const override;