diff --git a/pkg/scrobblerlog/parser.go b/pkg/scrobblerlog/parser.go
index 9c6471c..d355c62 100644
--- a/pkg/scrobblerlog/parser.go
+++ b/pkg/scrobblerlog/parser.go
@@ -247,7 +247,8 @@ func (l ScrobblerLog) rowToRecord(row []string) (Record, error) {
 
 // Convert a Unix timestamp to a [time.Time] object, but treat the timestamp
 // as being in the given location's timezone instead of UTC.
-// If location is nil, the timestamp is returned as UTC.
+// If location is nil, the timestamp is returned assumed to already be in UTC
+// and returned unchanged.
 func timeFromLocalTimestamp(timestamp int64, location *time.Location) time.Time {
 	t := time.Unix(timestamp, 0)
 
@@ -256,7 +257,7 @@ func timeFromLocalTimestamp(timestamp int64, location *time.Location) time.Time
 	if location != nil {
 		_, offset := t.In(location).Zone()
 		if offset != 0 {
-			t = t.Add(time.Duration(offset) * time.Second)
+			t = t.Add(-time.Duration(offset) * time.Second)
 		}
 	}
 
diff --git a/pkg/scrobblerlog/parser_test.go b/pkg/scrobblerlog/parser_test.go
index f4527cc..8dc30e5 100644
--- a/pkg/scrobblerlog/parser_test.go
+++ b/pkg/scrobblerlog/parser_test.go
@@ -91,7 +91,7 @@ func TestParserFallbackTimezone(t *testing.T) {
 	require.NoError(t, err)
 	record1 := result.Records[0]
 	assert.Equal(
-		time.Unix(1260342084, 0).Add(2*time.Hour),
+		time.Unix(1260342084, 0).Add(-2*time.Hour),
 		record1.Timestamp,
 	)
 }