diff --git a/variants/esp32/esp32-common.ini b/variants/esp32/esp32-common.ini
index 05f15de0f..378a1a369 100644
--- a/variants/esp32/esp32-common.ini
+++ b/variants/esp32/esp32-common.ini
@@ -34,6 +34,7 @@ build_flags =
   -Wall
   -Wextra
   -Isrc/platform/esp32
+  -include mbedtls/error.h
   -std=c++11
   -DLOG_LOCAL_LEVEL=ESP_LOG_DEBUG
   -DCORE_DEBUG_LEVEL=ARDUHAL_LOG_LEVEL_DEBUG