diff --git a/util/redact.go b/util/redact.go
index 1ede070ff..19c8c6148 100644
--- a/util/redact.go
+++ b/util/redact.go
@@ -1,6 +1,6 @@
 package util
 
-func Masked(s any) string {
+func Masked(s string) string {
 	if s != "" {
 		return "***"
 	}