diff --git a/viper.go b/viper.go
index c722cd5..0ee545e 100644
--- a/viper.go
+++ b/viper.go
@@ -25,6 +25,7 @@ import (
 	"io"
 	"io/ioutil"
 	"os"
+	"path"
 	"path/filepath"
 	"reflect"
 	"runtime"