Index: uspace/lib/libc/include/ipc/dev_iface.h
===================================================================
--- uspace/lib/libc/include/ipc/dev_iface.h	(revision 89ce401a6041808200871d79a9a8dc5367992722)
+++ uspace/lib/libc/include/ipc/dev_iface.h	(revision d1fc8f01927e5dfdae00c490c00cda67acb4ba25)
@@ -33,4 +33,5 @@
 #include <malloc.h>
 #include <unistd.h>
+#include <libarch/types.h>
 
 #define DEV_IFACE_FIRST IPC_FIRST_USER_METHOD
@@ -72,5 +73,5 @@
 	union {
 		struct {
-			void *address;
+			uint64_t address;
 			endianness_t endianness;			
 			size_t size;