diff --git a/wireless/wifictld/Makefile b/wireless/wifictld/Makefile
index 0ef41e2..7d25c8d 100644
--- a/wireless/wifictld/Makefile
+++ b/wireless/wifictld/Makefile
@@ -21,7 +21,7 @@ define Package/wifictld
 	$(call Package/wifictld/Default)
 	TITLE+= (full)
 	VARIANT:=full
-	TARGET_CFLAGS += -DDEBUG -ggdb3
+	TARGET_CFLAGS += -DDEBUG -g3 -ggdb3
 endef
 
 define Package/wifictld-mini
diff --git a/wireless/wifictld/src/Makefile b/wireless/wifictld/src/Makefile
index 9219088..e89d8b3 100644
--- a/wireless/wifictld/src/Makefile
+++ b/wireless/wifictld/src/Makefile
@@ -2,7 +2,7 @@
 all: hostapd wifictld
 
 CC = gcc
-CFLAGS = -Wall
+CFLAGS = -Wall -Wextra
 LDFLAGS = -lubox -lubus
 
 DEPS = $(wildcard *.h)
diff --git a/wireless/wifictld/src/wifi_clients.c b/wireless/wifictld/src/wifi_clients.c
index c99852a..3a1d789 100644
--- a/wireless/wifictld/src/wifi_clients.c
+++ b/wireless/wifictld/src/wifi_clients.c
@@ -14,7 +14,7 @@ int client_signal_threashold = -75;
 int clean_every = 600; //in ms  = 10min
 int clean_older_then = 3600;  //in sec = 1h
 
-struct avl_tree clients_by_addr;
+struct avl_tree clients_by_addr = {};
 
 
 void clean_cbhandler(struct uloop_timeout *t)
@@ -70,7 +70,7 @@ struct wifi_client *__get_client(const u8 *address){
 		return client;
 	}
 	log_debug("wifi_clients.__get_client("MACSTR"): gen new client\n", MAC2STR(address));
-	client = calloc(sizeof(*client), 1);
+	client = malloc(sizeof(*client));
 	memcpy(client->addr, address, sizeof(client->addr));
 	client->try_probe = 0;
 	client->try_auth = 0;