diff --git a/include/linux/libata.h b/include/linux/libata.h
index af832852e620..8bf5e59a7859 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -609,7 +609,7 @@ struct ata_host {
 	struct task_struct	*eh_owner;
 
 	struct ata_port		*simplex_claimed;	/* channel owning the DMA */
-	struct ata_port		*ports[0];
+	struct ata_port		*ports[];
 };
 
 struct ata_queued_cmd {