diff --git a/include/netutils/esp8266.h b/include/netutils/esp8266.h
index 2c8fccd80..dce247f31 100644
--- a/include/netutils/esp8266.h
+++ b/include/netutils/esp8266.h
@@ -37,8 +37,8 @@
  * Pre-processor Definitions
  ****************************************************************************/
 
-#define lespSSID_SIZE 32 /* Number of character max of SSID (null char not included) */
-#define lespBSSID_SIZE 6
+#define LESP_SSID_SIZE 32 /* Number of character max of SSID (null char not included) */
+#define LESP_BSSID_SIZE 6
 
 #define lespIP(x1,x2,x3,x4) ((x1) << 24 | (x2) << 16 | (x3) << 8 | (x4) << 0)
 
@@ -66,8 +66,8 @@ typedef enum
 typedef struct
 {
   lesp_security_t security;
-  char ssid[lespSSID_SIZE + 1];     /* +1 for null char */
-  uint8_t bssid[lespBSSID_SIZE];
+  char ssid[LESP_SSID_SIZE + 1];    /* +1 for null char */
+  uint8_t bssid[LESP_BSSID_SIZE];
   int rssi;
   int channel;
 } lesp_ap_t;
diff --git a/netutils/esp8266/esp8266.c b/netutils/esp8266/esp8266.c
index ac64b4b2f..f015da85f 100644
--- a/netutils/esp8266/esp8266.c
+++ b/netutils/esp8266/esp8266.c
@@ -315,7 +315,7 @@ static lesp_socket_t *get_sock(int sockfd)
   if (((unsigned int)sockfd) >= SOCKET_NBR)
     {
       errno = EINVAL;
-      ninfo("Esp8266 invalid sockfd\n", sockfd);
+      ninfo("Esp8266 invalid sockfd %d\n", sockfd);
       return NULL;
     }
 
@@ -2283,7 +2283,7 @@ int lesp_connect(int sockfd, FAR const struct sockaddr *addr,
                  socklen_t addrlen)
 {
   int ret = 0;
-  const char *proto_str;
+  const char *proto_str = "";
   lesp_socket_t *sock;
   struct sockaddr_in *in;
   unsigned short port;