diff --git a/main.go b/main.go
index 1716aa7..336fbb1 100644
--- a/main.go
+++ b/main.go
@@ -21,7 +21,7 @@ import (
 //go:embed data/gitmojis.json data/images
 var data embed.FS
 
-var preferredTheme = flag.String("theme", "light", "Specify the theme to be used. dark/light")
+var preferredTheme = flag.String("theme", "", "Specify the theme to be used. dark/light")
 var linger = flag.String("linger", "", "If specified, linger for the given duration (e.g. 10s) before actually closing.")
 
 type Gitmoji struct {
@@ -71,7 +71,7 @@ func main() {
 	switch *preferredTheme {
 	case "dark":
 		a.Settings().SetTheme(theme.DarkTheme())
-	default:
+	case "light":
 		a.Settings().SetTheme(theme.LightTheme())
 	}