diff --git a/lib/backend/config.go b/lib/backend/config.go
index 9c273b81..23fd4ffb 100644
--- a/lib/backend/config.go
+++ b/lib/backend/config.go
@@ -31,7 +31,7 @@ type Config struct {
 func (c Config) applyDefaults() Config {
 	for k := range c.Backend {
 		// TODO: don't hard code backend client name
-		if k == "s3" {
+		if k == "s3" || k == "gcs"{
 			if c.Bandwidth.IngressBitsPerSec == 0 {
 				c.Bandwidth.IngressBitsPerSec = 10 * 8 * memsize.Gbit
 			}