diff --git a/drivers/demo/demo-simple.c b/drivers/demo/demo-simple.c
index f069748..d05b1df 100644
--- a/drivers/demo/demo-simple.c
+++ b/drivers/demo/demo-simple.c
@@ -17,7 +17,7 @@
 {
 	const struct dm_demo_pdata *pdata = dev_get_platdata(dev);
 
-	printf("Hello from %08x: %s %d\n", map_to_sysmem(dev), pdata->colour,
+	printf("Hello from %08x: %s %d\n", (uint)map_to_sysmem(dev), pdata->colour,
 	       pdata->sides);
 
 	return 0;