diff --git a/samples/net/mqtt_publisher/src/main.c b/samples/net/mqtt_publisher/src/main.c
index 5f62bedb2b1..a69fd367eb5 100644
--- a/samples/net/mqtt_publisher/src/main.c
+++ b/samples/net/mqtt_publisher/src/main.c
@@ -77,7 +77,7 @@ static int network_setup(void);
 
 static u8_t tls_request_buf[TLS_REQUEST_BUF_SIZE];
 
-NET_STACK_DEFINE("mqtt_tls_stack", tls_stack,
+NET_STACK_DEFINE(mqtt_tls_stack, tls_stack,
 		CONFIG_NET_APP_TLS_STACK_SIZE, CONFIG_NET_APP_TLS_STACK_SIZE);
 
 NET_APP_TLS_POOL_DEFINE(tls_mem_pool, 30);