diff --git a/src/api/s3/put.rs b/src/api/s3/put.rs
index 881320af..5a7af4c7 100644
--- a/src/api/s3/put.rs
+++ b/src/api/s3/put.rs
@@ -258,7 +258,7 @@ async fn check_quotas(
 
 	if let Some(ms) = quotas.max_size {
 		let current_size = counters.get(BYTES).cloned().unwrap_or_default();
-		if cnt_size_diff > 0 && current_size + cnt_obj_diff > ms as i64 {
+		if cnt_size_diff > 0 && current_size + cnt_size_diff > ms as i64 {
 			return Err(Error::forbidden(format!("Bucket size quota is reached, maximum total sie of objects for this bucket: {}. The bucket is already {} bytes, and this object would add {} bytes.", ms,
 												current_size, size)));
 		}