diff --git a/app/src/main/java/eu/faircode/email/ServiceSynchronize.java b/app/src/main/java/eu/faircode/email/ServiceSynchronize.java
index 51271505b3..5d2c757291 100644
--- a/app/src/main/java/eu/faircode/email/ServiceSynchronize.java
+++ b/app/src/main/java/eu/faircode/email/ServiceSynchronize.java
@@ -542,8 +542,11 @@ public class ServiceSynchronize extends LifecycleService {
                         mbuilder.addPerson(message.avatar);
                 }
 
-                if (message.accountColor != null)
+                if (message.accountColor != null) {
                     mbuilder.setColor(message.accountColor);
+                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O)
+                        mbuilder.setColorized(true);
+                }
             }
 
             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O)