Index: uspace/srv/devman/main.c
===================================================================
--- uspace/srv/devman/main.c	(revision 83a2f43b8c77839e3668e5f7c14333b3d1935d64)
+++ uspace/srv/devman/main.c	(revision aa7dc644425ea445fd1fdb18d7514a66abe2799f)
@@ -486,5 +486,5 @@
 	if (fun == NULL && !drv_to_parent) {
 		printf(NAME ": devman_forward error - cannot connect to "
-		    "handle %d, refers to a device.\n", handle);
+		    "handle %" PRIun ", refers to a device.\n", handle);
 		async_answer_0(iid, ENOENT);
 		return;