diff --git a/internal/agent/interactive_install.go b/internal/agent/interactive_install.go
index 05ec3eb..6db6faa 100644
--- a/internal/agent/interactive_install.go
+++ b/internal/agent/interactive_install.go
@@ -30,7 +30,7 @@ func prompt(prompt, initialValue, placeHolder string, canBeEmpty, hidden bool) (
 	input.InitialValue = initialValue
 	input.Placeholder = placeHolder
 	if canBeEmpty {
-		input.Validate = func(s string) bool { return true }
+		input.Validate = func(s string) error { return nil }
 	}
 	input.Hidden = hidden