diff --git a/app/src/main/java/eu/faircode/email/HtmlHelper.java b/app/src/main/java/eu/faircode/email/HtmlHelper.java
index 2f52260b90..98749e183e 100644
--- a/app/src/main/java/eu/faircode/email/HtmlHelper.java
+++ b/app/src/main/java/eu/faircode/email/HtmlHelper.java
@@ -1057,6 +1057,7 @@ public class HtmlHelper {
                 return 600;
             case "bold":
                 return 700;
+            case "none":
             case "inherit":
                 return null;
         }