diff --git a/rss/item.go b/rss/item.go
index 172f63b..6dbb38e 100755
--- a/rss/item.go
+++ b/rss/item.go
@@ -63,7 +63,7 @@ func newItem(i *gofeed.Item, contentFilter, copyright string) (*Item, error) {
 
 	item.Content = fmt.Sprintf(`<a href="%s">%s</a><br>%s`, item.Link, item.Title, item.Content)
 
-	item.Content = clearBlankLines(item.Content)
+	item.Content = cleanSpecialCharacters(clearBlankLines(item.Content))
 
 	return item, nil
 }
@@ -120,6 +120,10 @@ func (is Items) Swap(i, j int) {
 	is[j] = k
 }
 
+func cleanSpecialCharacters(s string) string {
+	return strings.ToValidUTF8(s, "?")
+}
+
 func clearBlankLines(s string) string {
 	r := regexp.MustCompile(`<br/>`)
 	s = r.ReplaceAllLiteralString(s, "<br>")