diff --git a/include/linux/sunrpc/xprt.h b/include/linux/sunrpc/xprt.h
index c3364d8..b3ff9a8 100644
--- a/include/linux/sunrpc/xprt.h
+++ b/include/linux/sunrpc/xprt.h
@@ -183,7 +183,7 @@
 					bklog_u;	/* backlog queue utilization */
 	} stat;
 
-	char *			address_strings[RPC_DISPLAY_MAX];
+	const char		*address_strings[RPC_DISPLAY_MAX];
 };
 
 struct xprt_create {