diff --git a/config/config.go b/config/config.go
index 1553ab6..c0a8aad 100644
--- a/config/config.go
+++ b/config/config.go
@@ -17,7 +17,7 @@ func Env(name string, out any, def string) {
 	case *int:
 		i, err := strconv.ParseInt(raw, 10, 64)
 		if err != nil {
-			log.Printf("\"%s\" is not a number.", name)
+			log.Printf("\"%s\" is not a number (\"%s\").", name, raw)
 			return
 		}