{% block branding_welcome %}{% blocktrans %}Welcome to the {{ site_name }} Wagtail CMS{% endblocktrans %}{% endblock %}
diff --git a/wagtail/admin/templatetags/wagtailadmin_tags.py b/wagtail/admin/templatetags/wagtailadmin_tags.py
index becfe6e305..5b9e0bb7f9 100644
--- a/wagtail/admin/templatetags/wagtailadmin_tags.py
+++ b/wagtail/admin/templatetags/wagtailadmin_tags.py
@@ -384,4 +384,4 @@ def avatar_url(context, user, size=50):
if hasattr(user, 'wagtail_userprofile'): # A user could not have profile yet, so this is necessary
return user.wagtail_userprofile.get_avatar_url(size=size)
- return static('wagtailadmin/images/default-user-avatar.svg')
+ return static('wagtailadmin/images/default-user-avatar.png')
diff --git a/wagtail/users/models.py b/wagtail/users/models.py
index 698c6b496f..e823ead446 100644
--- a/wagtail/users/models.py
+++ b/wagtail/users/models.py
@@ -93,7 +93,7 @@ class UserProfile(models.Model):
@cached_property
def default_avatar(self):
- return static('wagtailadmin/images/default-user-avatar.svg')
+ return static('wagtailadmin/images/default-user-avatar.png')
def get_avatar_url(self, size=50):
if self.avatar_choice == self.DEFAULT:
diff --git a/wagtail/users/utils.py b/wagtail/users/utils.py
index 5487efc144..88dc1d7dba 100644
--- a/wagtail/users/utils.py
+++ b/wagtail/users/utils.py
@@ -22,7 +22,7 @@ def user_can_delete_user(current_user, user_to_delete):
def get_gravatar_url(email, default=None, size=50):
- params = {'s': str(size)}
+ params = {'s': str(size), 'd': 'mm'}
if default is not None:
params['default'] = default
gravatar_url = "https://www.gravatar.com/avatar/" + hashlib.md5(email.lower().encode('utf-8')).hexdigest() + "?"