diff --git a/changelog/unreleased/change-default-config-tus.md b/changelog/unreleased/change-default-config-tus.md
new file mode 100644
index 000000000..aa0a3b849
--- /dev/null
+++ b/changelog/unreleased/change-default-config-tus.md
@@ -0,0 +1,5 @@
+Change: Change the default TUS chunk size
+
+We changed the default TUS chunk size from 100MB to 10MB. You can still use the old value by configuring it in your deployment.
+
+https://github.com/owncloud/ocis/pull/7273
diff --git a/services/frontend/pkg/config/defaults/defaultconfig.go b/services/frontend/pkg/config/defaults/defaultconfig.go
index 8421d30ba..f3726a201 100644
--- a/services/frontend/pkg/config/defaults/defaultconfig.go
+++ b/services/frontend/pkg/config/defaults/defaultconfig.go
@@ -83,7 +83,7 @@ func DefaultConfig() *config.Config {
 		EnableFavorites:          false,
 		EnableProjectSpaces:      true,
 		EnableShareJail:          true,
-		UploadMaxChunkSize:       1e+8,
+		UploadMaxChunkSize:       1e+7,
 		UploadHTTPMethodOverride: "",
 		DefaultUploadProtocol:    "tus",
 		EnableResharing:          true,