diff --git a/drivers/mailbox/mailbox-uclass.c b/drivers/mailbox/mailbox-uclass.c
index 40f851d..a7fcde5 100644
--- a/drivers/mailbox/mailbox-uclass.c
+++ b/drivers/mailbox/mailbox-uclass.c
@@ -85,10 +85,10 @@
 
 	debug("%s(dev=%p, name=%s, chan=%p)\n", __func__, dev, name, chan);
 
-	index = fdt_find_string(gd->fdt_blob, dev->of_offset, "mbox-names",
-				name);
+	index = fdt_stringlist_search(gd->fdt_blob, dev->of_offset,
+				      "mbox-names", name);
 	if (index < 0) {
-		debug("fdt_find_string() failed: %d\n", index);
+		debug("fdt_stringlist_search() failed: %d\n", index);
 		return index;
 	}