diff --git a/sys/arm64/arm64/ofw_machdep.c b/sys/arm64/arm64/ofw_machdep.c
index 5ea159443285..6a0b714cd208 100644
--- a/sys/arm64/arm64/ofw_machdep.c
+++ b/sys/arm64/arm64/ofw_machdep.c
@@ -49,6 +49,6 @@ OF_decode_addr(phandle_t dev, int regno, bus_space_tag_t *tag,
 	if (err != 0)
 		return (err);
 
-	*tag = memmap_bus;
+	*tag = &memmap_bus;
 	return (bus_space_map(*tag, addr, size, 0, handle));
 }