diff --git a/satellite/buckets/db.go b/satellite/buckets/db.go
index 2b8d987c1..920e2dfe7 100644
--- a/satellite/buckets/db.go
+++ b/satellite/buckets/db.go
@@ -25,6 +25,9 @@ var (
 
 	// ErrBucketNotFound is an error class for non-existing bucket.
 	ErrBucketNotFound = errs.Class("bucket not found")
+
+	// ErrBucketAlreadyExists is used to indicate that bucket already exists.
+	ErrBucketAlreadyExists = errs.Class("bucket already exists")
 )
 
 // Bucket contains information about a specific bucket.
diff --git a/satellite/metainfo/endpoint_bucket.go b/satellite/metainfo/endpoint_bucket.go
index 8b65352c6..25b84dcf9 100644
--- a/satellite/metainfo/endpoint_bucket.go
+++ b/satellite/metainfo/endpoint_bucket.go
@@ -114,6 +114,10 @@ func (endpoint *Endpoint) CreateBucket(ctx context.Context, req *pb.BucketCreate
 
 	bucket, err := endpoint.buckets.CreateBucket(ctx, bucketReq)
 	if err != nil {
+		if buckets.ErrBucketAlreadyExists.Has(err) {
+			return nil, rpcstatus.Error(rpcstatus.AlreadyExists, "bucket already exists")
+		}
+
 		endpoint.log.Error("error while creating bucket", zap.String("bucketName", bucketReq.Name), zap.Error(err))
 		return nil, rpcstatus.Error(rpcstatus.Internal, "unable to create bucket")
 	}
diff --git a/satellite/satellitedb/bucketsdb.go b/satellite/satellitedb/bucketsdb.go
index 4583ca8b5..6894b6995 100644
--- a/satellite/satellitedb/bucketsdb.go
+++ b/satellite/satellitedb/bucketsdb.go
@@ -51,6 +51,9 @@ func (db *bucketsDB) CreateBucket(ctx context.Context, bucket buckets.Bucket) (_
 		optionalFields,
 	)
 	if err != nil {
+		if dbx.IsConstraintError(err) {
+			return buckets.Bucket{}, buckets.ErrBucketAlreadyExists.New("")
+		}
 		return buckets.Bucket{}, buckets.ErrBucket.Wrap(err)
 	}