diff --git a/pkg/build/legacy.go b/pkg/build/legacy.go
index c4ec93c..296f777 100644
--- a/pkg/build/legacy.go
+++ b/pkg/build/legacy.go
@@ -93,5 +93,5 @@ func (b *Build) cpNonStandardLegacy() {
 
 // skipCopy skip copy .git dir and irregular files
 func skipCopy(src string, info os.FileInfo) (bool, error) {
-	return strings.HasSuffix(src, "/.git") || !info.Mode().IsRegular(), nil
+	return strings.HasSuffix(src, "/.git") || (!info.IsDir() && !info.Mode().IsRegular()), nil
 }
diff --git a/pkg/build/legacy_test.go b/pkg/build/legacy_test.go
index 5e08322..2bd932c 100644
--- a/pkg/build/legacy_test.go
+++ b/pkg/build/legacy_test.go
@@ -116,7 +116,7 @@ func TestSkipCopy(t *testing.T) {
 		"src with /.gita suffix":   {inputSrc: "/test/.gita", inputInfo: MockFile{mode: 0}, expected: false},
 		"src with /.git in middle": {inputSrc: "/test/.git/test", inputInfo: MockFile{mode: 0}, expected: false},
 		"irregular file":           {inputSrc: "/test", inputInfo: MockFile{mode: os.ModeIrregular}, expected: true},
-		"dir file":                 {inputSrc: "/test", inputInfo: MockFile{isDir: true, mode: os.ModeDir}, expected: true},
+		"dir file":                 {inputSrc: "/test", inputInfo: MockFile{isDir: true, mode: os.ModeDir}, expected: false},
 		"temporary file":           {inputSrc: "/test", inputInfo: MockFile{mode: os.ModeTemporary}, expected: false},
 		"symlink file":             {inputSrc: "/test", inputInfo: MockFile{mode: os.ModeSymlink}, expected: true},
 		"device file":              {inputSrc: "/test", inputInfo: MockFile{mode: os.ModeDevice}, expected: true},