diff --git a/pkg/storage/utils/decomposedfs/spaces.go b/pkg/storage/utils/decomposedfs/spaces.go
index 2ebb983975f..710800b9a50 100644
--- a/pkg/storage/utils/decomposedfs/spaces.go
+++ b/pkg/storage/utils/decomposedfs/spaces.go
@@ -25,7 +25,6 @@ import (
 	"math"
 	"os"
 	"path/filepath"
-	"strconv"
 	"strings"
 	"time"
 
@@ -867,20 +866,15 @@ func (fs *Decomposedfs) storageSpaceFromNode(ctx context.Context, n *node.Node,
 	}
 
 	// quota
-	quotaAttr, ok := spaceAttributes[prefixes.QuotaAttr]
-	if ok {
+	if q, err := spaceAttributes.Int64(prefixes.QuotaAttr); err == nil && q >= 0 {
 		// make sure we have a proper signed int
 		// we use the same magic numbers to indicate:
 		// -1 = uncalculated
 		// -2 = unknown
 		// -3 = unlimited
-		if quota, err := strconv.ParseUint(string(quotaAttr), 10, 64); err == nil {
-			space.Quota = &provider.Quota{
-				QuotaMaxBytes: quota,
-				QuotaMaxFiles: math.MaxUint64, // TODO MaxUInt64? = unlimited? why even max files? 0 = unlimited?
-			}
-		} else {
-			return nil, err
+		space.Quota = &provider.Quota{
+			QuotaMaxBytes: uint64(q),
+			QuotaMaxFiles: math.MaxUint64, // TODO MaxUInt64? = unlimited? why even max files? 0 = unlimited?
 		}
 	}
 	if si := spaceAttributes.String(prefixes.SpaceImageAttr); si != "" {