diff --git a/app/src/main/java/eu/faircode/email/AdapterMessage.java b/app/src/main/java/eu/faircode/email/AdapterMessage.java
index eab5a6711e..15298d0bf9 100644
--- a/app/src/main/java/eu/faircode/email/AdapterMessage.java
+++ b/app/src/main/java/eu/faircode/email/AdapterMessage.java
@@ -1782,7 +1782,7 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
 
             for (int i = 0; i < addresses.length; i++) {
                 if (i > 0)
-                    ssb.append(", ");
+                    ssb.append("; ");
 
                 if (addresses[i] instanceof InternetAddress) {
                     InternetAddress address = (InternetAddress) addresses[i];