diff --git a/pkg/app/master/command/build/image.go b/pkg/app/master/command/build/image.go
index d745a926ab..edba651eb9 100644
--- a/pkg/app/master/command/build/image.go
+++ b/pkg/app/master/command/build/image.go
@@ -395,7 +395,7 @@ func buildOutputImage(
 			hasData = true
 		} else {
 			dataDir := filepath.Join(imageInspector.ArtifactLocation, "files")
-			if fsutil.Exists(dataTar) && fsutil.IsDir(dataDir) {
+			if fsutil.Exists(dataDir) && fsutil.IsDir(dataDir) {
 				layerInfo := imagebuilder.LayerDataInfo{
 					Type:   imagebuilder.DirSource,
 					Source: dataDir,