Index: uspace/lib/fb/screenbuffer.c
===================================================================
--- uspace/lib/fb/screenbuffer.c	(revision fbcdeb887f643e4a875e51120a2ddbf6fe35e4b3)
+++ uspace/lib/fb/screenbuffer.c	(revision 904787278e0e096306997ce2446dd8dd40241f16)
@@ -79,7 +79,7 @@
 	
 	if ((flags & SCREENBUFFER_FLAG_SHARED) == SCREENBUFFER_FLAG_SHARED) {
-		scrbuf = (screenbuffer_t *) as_area_create((void *) -1, size,
+		scrbuf = (screenbuffer_t *) as_area_create(AS_AREA_ANY, size,
 		    AS_AREA_READ | AS_AREA_WRITE | AS_AREA_CACHEABLE);
-		if (scrbuf == (void *) -1)
+		if (scrbuf == AS_MAP_FAILED)
 			return NULL;
 	} else {