diff --git a/emoji.go b/emoji.go
index 783b779..66df2b7 100644
--- a/emoji.go
+++ b/emoji.go
@@ -107,7 +107,7 @@ func (em Table) String() string {
 // See <https://github.com/googlei18n/noto-emoji/tree/master/png/128>
 func ScanEmojiDirectory(emojipath string) (tab Table, err error) {
 	tab = make(Table)
-	filepath.Walk(emojipath, func(path string, info os.FileInfo, err error) error {
+	err = filepath.Walk(emojipath, func(path string, info os.FileInfo, err error) error {
 		// Ignore non-images
 		if !strings.HasSuffix(strings.ToLower(path), ".png") {
 			return nil