diff --git a/lib/transform/cmap.go b/lib/transform/cmap.go
index 8fac5da63..b5341c63e 100644
--- a/lib/transform/cmap.go
+++ b/lib/transform/cmap.go
@@ -20,7 +20,7 @@ type CharmapChoices = fs.Enum[cmapChoices]
 type cmapChoices struct{}
 
 func (cmapChoices) Choices() []string {
-	choices := make([]string, 1)
+	choices := []string{}
 	i := 0
 	for _, enc := range charmap.All {
 		c, ok := enc.(*charmap.Charmap)