diff --git a/components/esp-tls/esp_tls_mbedtls.c b/components/esp-tls/esp_tls_mbedtls.c
index c9c6df9feb..53f10d7de1 100644
--- a/components/esp-tls/esp_tls_mbedtls.c
+++ b/components/esp-tls/esp_tls_mbedtls.c
@@ -449,7 +449,7 @@ esp_err_t set_client_config(const char *hostname, size_t hostlen, esp_tls_cfg_t
 
     if (cfg->alpn_protos) {
 #ifdef CONFIG_MBEDTLS_SSL_ALPN
-        if ((ret = mbedtls_ssl_conf_alpn_protocols(&tls->conf, cfg->alpn_protos) != 0)) {
+        if ((ret = mbedtls_ssl_conf_alpn_protocols(&tls->conf, cfg->alpn_protos)) != 0) {
             ESP_LOGE(TAG, "mbedtls_ssl_conf_alpn_protocols returned -0x%x", -ret);
             ESP_INT_EVENT_TRACKER_CAPTURE(tls->error_handle, ESP_TLS_ERR_TYPE_MBEDTLS, -ret);
             return ESP_ERR_MBEDTLS_SSL_CONF_ALPN_PROTOCOLS_FAILED;