diff --git a/esphome/components/sntp/sntp_component.h b/esphome/components/sntp/sntp_component.h
index cbe461256a..f23e00804c 100644
--- a/esphome/components/sntp/sntp_component.h
+++ b/esphome/components/sntp/sntp_component.h
@@ -22,7 +22,7 @@ class SNTPComponent : public time::RealTimeClock {
 
   void update() override;
   void loop() override;
-#ifdef USE_ESP_IDF
+#if defined(USE_ESP_IDF)
   void set_update_interval(uint32_t update_interval) override;
   uint32_t get_update_interval() const override;
 #endif
@@ -35,7 +35,7 @@ class SNTPComponent : public time::RealTimeClock {
   std::string servers_[3];
 
  protected:
-#ifdef USE_ESP_IDF
+#if defined(USE_ESP_IDF)
   bool has_time_{false};
 #endif
   bool servers_was_setup_{false};