diff --git a/mails/admin.py b/mails/admin.py
index b2e3d3a71a1b4614308b69c395ff8be2b393886d..d7d26b99e714c27c50f251942892f2fe9976d30c 100644
--- a/mails/admin.py
+++ b/mails/admin.py
@@ -9,6 +9,7 @@ from .models import MailLog
 
 class MailLogAdmin(admin.ModelAdmin):
     list_display = ['__str__', 'processed']
+    readonly_fields = ('created', 'latest_activity')
 
 
 admin.site.register(MailLog, MailLogAdmin)