diff --git a/ftp.go b/ftp.go
index b334c65..fd3648e 100644
--- a/ftp.go
+++ b/ftp.go
@@ -347,6 +347,10 @@ func parseLsListLine(line string) (*Entry, error) {
 		return e, nil
 	}
 
+	if len(fields) < 8 {
+		return nil, errUnsupportedListLine
+	}
+
 	if fields[1] == "0" {
 		e := &Entry{
 			Type: EntryTypeFile,
diff --git a/parse_test.go b/parse_test.go
index 0d373f7..b442800 100644
--- a/parse_test.go
+++ b/parse_test.go
@@ -59,6 +59,7 @@ var listTestsFail = []unsupportedLine{
 	{"modify=20150806235817;invalid;UNIX.owner=0; movies", "Unsupported LIST line"},
 	{"Zrwxrwxrwx   1 root     other          7 Jan 25 00:17 bin -> usr/bin", "Unknown entry type"},
 	{"total 1", "Unsupported LIST line"},
+	{"", "Unsupported LIST line"},
 }
 
 func TestParseValidListLine(t *testing.T) {