Index: uspace/lib/libc/generic/loader.c
===================================================================
--- uspace/lib/libc/generic/loader.c	(revision 4470e2627030413dc38c0d3b98d9c6a3e1672564)
+++ uspace/lib/libc/generic/loader.c	(revision d364e94360c20325ba21bb69e6ac2542ade79708)
@@ -36,4 +36,5 @@
 #include <ipc/loader.h>
 #include <libc.h>
+#include <task.h>
 #include <string.h>
 #include <stdlib.h>
@@ -94,5 +95,5 @@
 	/* Get task ID. */
 	req = async_send_0(ldr->phone_id, LOADER_GET_TASKID, &answer);
-	rc = ipc_data_read_start(ldr->phone_id, task_id, sizeof(task_id));
+	rc = ipc_data_read_start(ldr->phone_id, task_id, sizeof(task_id_t));
 	if (rc != EOK) {
 		async_wait_for(req, NULL);