diff --git a/libraries/ESP8266WiFi/src/WiFiClientSecureBearSSL.cpp b/libraries/ESP8266WiFi/src/WiFiClientSecureBearSSL.cpp
index 9064377c9f..7760caa510 100644
--- a/libraries/ESP8266WiFi/src/WiFiClientSecureBearSSL.cpp
+++ b/libraries/ESP8266WiFi/src/WiFiClientSecureBearSSL.cpp
@@ -1328,6 +1328,7 @@ bool WiFiClientSecureCtx::_connectSSLServerEC(const X509List *chain,
   (void) chain;
   (void) cert_issuer_key_type;
   (void) sk;
+  (void) cache;
   (void) client_CA_ta;
   DEBUG_BSSL("_connectSSLServerEC: Attempting to use EC cert in minimal cipher mode (no EC)\n");
   return false;