diff --git a/tools/tui/loop/key-encoding.go b/tools/tui/loop/key-encoding.go
index 11029f65f..42ae94249 100644
--- a/tools/tui/loop/key-encoding.go
+++ b/tools/tui/loop/key-encoding.go
@@ -318,7 +318,7 @@ func (self *KeyEvent) MatchesCaseInsensitiveTextOrKey(spec string) bool {
 	if self.MatchesParsedShortcut(ParseShortcut(spec), PRESS|REPEAT) {
 		return true
 	}
-	return strings.ToLower(self.Text) == strings.ToLower(spec)
+	return strings.EqualFold(self.Text, spec)
 }
 
 func (self *KeyEvent) MatchesRelease(spec string) bool {