diff --git a/README.md b/README.md
index 98e17b7..d125656 100644
--- a/README.md
+++ b/README.md
@@ -132,7 +132,7 @@ You can handle the specific case where no config file is found like this:
 
 ```go
 if err := viper.ReadInConfig(); err != nil {
-	if _, ok := err.(viper.ConfigFileNotFoundError); ok {
+	if errors.Is(err, os.ErrNotExist) {
 		// Config file not found; ignore error if desired
 	} else {
 		// Config file was found but another error was produced