diff --git a/README.md b/README.md
index 304a3e6..c7cfab1 100644
--- a/README.md
+++ b/README.md
@@ -637,7 +637,7 @@ type config struct {
 
 var C config
 
-err := Unmarshal(&C)
+err := viper.Unmarshal(&C)
 if err != nil {
 	t.Fatalf("unable to decode into struct, %v", err)
 }