diff --git a/common/config/conf_domain.go b/common/config/conf_domain.go
index ac174720..f7784f43 100644
--- a/common/config/conf_domain.go
+++ b/common/config/conf_domain.go
@@ -18,8 +18,9 @@ func NewDefaultDomainConfig() DomainRepoConfig {
 			AdminApiKind:    "matrix",
 		},
 		Downloads: DownloadsConfig{
-			MaxSizeBytes:        104857600, // 100mb
-			FailureCacheMinutes: 15,
+			MaxSizeBytes:               104857600, // 100mb
+			FailureCacheMinutes:        15,
+			DefaultRangeChunkSizeBytes: 10485760, // 10mb
 		},
 		UrlPreviews: UrlPreviewsConfig{
 			Enabled:          true,
diff --git a/common/config/conf_main.go b/common/config/conf_main.go
index 25ba7079..7e8729b5 100644
--- a/common/config/conf_main.go
+++ b/common/config/conf_main.go
@@ -44,8 +44,9 @@ func NewDefaultMainConfig() MainRepoConfig {
 		Admins:      []string{},
 		Downloads: MainDownloadsConfig{
 			DownloadsConfig: DownloadsConfig{
-				MaxSizeBytes:        104857600, // 100mb
-				FailureCacheMinutes: 15,
+				MaxSizeBytes:               104857600, // 100mb
+				FailureCacheMinutes:        15,
+				DefaultRangeChunkSizeBytes: 10485760, // 10mb
 			},
 			NumWorkers: 10,
 			ExpireDays: 0,