diff --git a/drivers/macintosh/smu.c b/drivers/macintosh/smu.c
index 3096836..45bb3c1 100644
--- a/drivers/macintosh/smu.c
+++ b/drivers/macintosh/smu.c
@@ -952,7 +952,7 @@
 	prop->name = ((char *)prop) + tlen - 18;
 	sprintf(prop->name, "sdb-partition-%02x", id);
 	prop->length = len;
-	prop->value = (unsigned char *)hdr;
+	prop->value = hdr;
 	prop->next = NULL;
 
 	/* Read the datablock */