mbedtls: Add mbedTLS backend support
diff --git a/lib/private-libwebsockets.h b/lib/private-libwebsockets.h
index 0aa5410..e79076c 100644
--- a/lib/private-libwebsockets.h
+++ b/lib/private-libwebsockets.h
@@ -274,7 +274,7 @@
 #endif /* not USE_OLD_CYASSL */
 #else
 #include <openssl/ssl.h>
-#if !defined(LWS_WITH_ESP32)
+#if !defined(LWS_USE_MBEDTLS)
 #include <openssl/evp.h>
 #include <openssl/err.h>
 #include <openssl/md5.h>