diff --git a/pkg/services/audit/auditor/por.go b/pkg/services/audit/auditor/por.go
index 6011217f8..aebc25c68 100644
--- a/pkg/services/audit/auditor/por.go
+++ b/pkg/services/audit/auditor/por.go
@@ -36,7 +36,6 @@ func (c *Context) executePoR(ctx context.Context) {
 	c.report.SetPoRCounters(c.porRequests.Load(), c.porRetries.Load())
 }
 
-// nolint: funlen
 func (c *Context) checkStorageGroupPoR(ctx context.Context, sgID oid.ID, sg storagegroupSDK.StorageGroup) {
 	members := sg.Members()
 	c.updateSGInfo(sgID, members)
@@ -55,22 +54,11 @@ func (c *Context) checkStorageGroupPoR(ctx context.Context, sgID oid.ID, sg stor
 	homomorphicHashingEnabled := !containerSDK.IsHomomorphicHashingDisabled(c.task.ContainerStructure())
 
 	for i := range members {
-		objectPlacement, err := c.buildPlacement(members[i])
-		if err != nil {
-			c.log.Info("can't build placement for storage group member",
-				zap.Stringer("sg", sgID),
-				zap.String("member_id", members[i].String()),
-			)
-
+		flat, ok := c.getShuffledNodes(members[i], sgID)
+		if !ok {
 			continue
 		}
 
-		flat := placement.FlattenNodes(objectPlacement)
-
-		rand.Shuffle(len(flat), func(i, j int) {
-			flat[i], flat[j] = flat[j], flat[i]
-		})
-
 		getHeaderPrm.OID = members[i]
 
 		for j := range flat {
@@ -126,8 +114,12 @@ func (c *Context) checkStorageGroupPoR(ctx context.Context, sgID oid.ID, sg stor
 	cs, _ := sg.ValidationDataHash()
 	tzCheck := !homomorphicHashingEnabled || bytes.Equal(tzHash, cs.Value())
 
+	c.writeCheckReport(sizeCheck, tzCheck, sgID, sg, totalSize)
+}
+
+func (c *Context) writeCheckReport(sizeCheck, tzCheck bool, sgID oid.ID, sg storagegroupSDK.StorageGroup, totalSize uint64) {
 	if sizeCheck && tzCheck {
-		c.report.PassedPoR(sgID) // write report
+		c.report.PassedPoR(sgID)
 	} else {
 		if !sizeCheck {
 			c.log.Debug("storage group size check failed",
@@ -139,6 +131,25 @@ func (c *Context) checkStorageGroupPoR(ctx context.Context, sgID oid.ID, sg stor
 			c.log.Debug("storage group tz hash check failed")
 		}
 
-		c.report.FailedPoR(sgID) // write report
+		c.report.FailedPoR(sgID)
 	}
 }
+
+func (c *Context) getShuffledNodes(member oid.ID, sgID oid.ID) ([]netmap.NodeInfo, bool) {
+	objectPlacement, err := c.buildPlacement(member)
+	if err != nil {
+		c.log.Info("can't build placement for storage group member",
+			zap.Stringer("sg", sgID),
+			zap.String("member_id", member.String()),
+		)
+
+		return nil, false
+	}
+
+	flat := placement.FlattenNodes(objectPlacement)
+
+	rand.Shuffle(len(flat), func(i, j int) {
+		flat[i], flat[j] = flat[j], flat[i]
+	})
+	return flat, true
+}