diff --git a/internal/files/disk.go b/internal/files/disk.go
index 70483cc..8c8f41f 100644
--- a/internal/files/disk.go
+++ b/internal/files/disk.go
@@ -23,8 +23,13 @@ type DiskFile struct {
 func (f DiskFile) Name() string    { return f.name }
 func (f DiskFile) Path() string    { return filepath.Join(f.path, f.name) }
 func (f DiskFile) Date() time.Time { return f.modified }
-func (f DiskFile) Filesize() int64 { return f.filesize }
 func (f DiskFile) IsDir() bool     { return f.isdir }
+func (f DiskFile) Filesize() int64 {
+	if f.isdir {
+		return -1
+	}
+	return f.filesize
+}
 
 func NewDisk(path string) (DiskFile, error) {
 	info, err := os.Stat(path)
diff --git a/internal/files/trash.go b/internal/files/trash.go
index 87f898f..96dce56 100644
--- a/internal/files/trash.go
+++ b/internal/files/trash.go
@@ -46,8 +46,13 @@ func (t TrashInfo) TrashPath() string { return t.path }
 func (t TrashInfo) Path() string      { return t.ogpath }
 func (t TrashInfo) TrashInfo() string { return t.trashinfo }
 func (t TrashInfo) Date() time.Time   { return t.trashed }
-func (t TrashInfo) Filesize() int64   { return t.filesize }
 func (t TrashInfo) IsDir() bool       { return t.isdir }
+func (t TrashInfo) Filesize() int64 {
+	if t.isdir {
+		return -1
+	}
+	return t.filesize
+}
 
 func FindTrash(trashdir, ogdir string, f *filter.Filter) (files Files, outerr error) {
 	outerr = filepath.WalkDir(trashdir, func(path string, d fs.DirEntry, err error) error {