diff --git a/drivers/staging/ath6kl/os/linux/include/osapi_linux.h b/drivers/staging/ath6kl/os/linux/include/osapi_linux.h
index a1dd024040030f9ede59bdfbdd30ec013d30a90f..cdbda890939be255b4ffb522e25482151a8bb5b5 100644
--- a/drivers/staging/ath6kl/os/linux/include/osapi_linux.h
+++ b/drivers/staging/ath6kl/os/linux/include/osapi_linux.h
@@ -247,7 +247,7 @@ typedef struct sk_buff_head A_NETBUF_QUEUE_T;
 #define A_NETBUF_QUEUE_SIZE(q)  \
     a_netbuf_queue_size(q)
 #define A_NETBUF_QUEUE_EMPTY(q) \
-    a_netbuf_queue_empty(q)
+    (a_netbuf_queue_empty(q) ? TRUE : FALSE)
 
 /*
  * Network buffer support