diff --git a/net/sunrpc/addr.c b/net/sunrpc/addr.c
index 8391c2785550..7404f02702a1 100644
--- a/net/sunrpc/addr.c
+++ b/net/sunrpc/addr.c
@@ -184,7 +184,7 @@ static int rpc_parse_scope_id(struct net *net, const char *buf,
 			scope_id = dev->ifindex;
 			dev_put(dev);
 		} else {
-			if (kstrtou32(p, 10, &scope_id) == 0) {
+			if (kstrtou32(p, 10, &scope_id) != 0) {
 				kfree(p);
 				return 0;
 			}