diff --git a/app/src/main/java/eu/faircode/email/ActivitySignature.java b/app/src/main/java/eu/faircode/email/ActivitySignature.java
index d303f2def1..ac4602c3d4 100644
--- a/app/src/main/java/eu/faircode/email/ActivitySignature.java
+++ b/app/src/main/java/eu/faircode/email/ActivitySignature.java
@@ -270,6 +270,7 @@ public class ActivitySignature extends ActivityBase {
                 ? getHtml()
                 : getIntent().getStringExtra("html"));
         etText.setRaw(raw);
+        etText.setTypeface(raw ? Typeface.MONOSPACE : Typeface.DEFAULT);
         load(html);
 
         if (raw)