diff --git a/esphome/core/defines.h b/esphome/core/defines.h
index e226f748a8..55652e443e 100644
--- a/esphome/core/defines.h
+++ b/esphome/core/defines.h
@@ -147,6 +147,7 @@
 #define USE_ESPHOME_TASK_LOG_BUFFER
 
 #define USE_BLUETOOTH_PROXY
+#define BLUETOOTH_PROXY_MAX_CONNECTIONS 3
 #define USE_CAPTIVE_PORTAL
 #define USE_ESP32_BLE
 #define USE_ESP32_BLE_CLIENT