diff --git a/esphome/core/defines.h b/esphome/core/defines.h
index 39698c1004..8095ffed4a 100644
--- a/esphome/core/defines.h
+++ b/esphome/core/defines.h
@@ -87,6 +87,7 @@
 #define USE_MDNS_STORE_SERVICES
 #define MDNS_SERVICE_COUNT 3
 #define MDNS_DYNAMIC_TXT_COUNT 3
+#define SNTP_SERVER_COUNT 3
 #define USE_MEDIA_PLAYER
 #define USE_NEXTION_TFT_UPLOAD
 #define USE_NUMBER